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Im, ir, il-not

List of words that use the roots Im, ir, il
Impossible
Irresponsible
Illegal

1. The IMF agency specializes in missions that are deemed impossible; the IMF agents are capable of doing what most people think (can, can't) be done.
2. You're so irresponsible; you won't succeed in life if you have (no, great) sense of responsibility.
3. Your illegal actions are liable to land us in (heaven, jail).

Other words that use the roots Im, il, ir
Immeasurable
Improbable
Impertinent
Imperceptible
Immature
Immaterial
Immobilize
Immortal
Immoral
Immunity
Impartial
Immutable
Impure
Impudent
Impotent
Improper
Improvident
Impenetrable
Imperfect
Impolite
Irreplaceable
Irreparable
Irregular
Irrelevant
Irreverent
Irreversible
Irrevocable
Illegitimate
Illicit
Illiterate
Illogical

Sentences
1. When Peter and Susan told the college professor that they didn't believe Lucy's story about the wardrobe, he called them illogical and told them that they weren't using (sound, weak) reasoning.
2. Although Bill's dad was illiterate, he still had a keen intellect and used it to become a successful businessman; it's amazing how he overcame his (ability, inability) to read and write to succeed.
3. Prohibition made the selling of alcohol illicit; however, because it led to gangsters and bootleggers selling alcohol anyway, the U.S. government repealed Prohibition and ceased making alcohol (legal, illegal).
4. An action that is (lawful, unlawful) is wrong no matter what; therefore, even if the purpose is good, one should never perform an illegitimate action.
5. Evan is one of my most valued employees and I (can't, can) replace him; irreplaceable employees such as him are very rare.
6. We were all disgusted by his outward show of (admiration, disrespect) for the nation's president, and on account of his irreverent actions towards such an important person, we were all ashamed to be around him.
7. The spy's irregular behavior didn't bother her comrades because they knew that despite her (normal, abnormal) habits, she was an extremely loyal and powerful ally.
8. This new evidence has (everything, nothing) to do with this case; it's irrelevant.
9. I'm sorry, but the judge's decision is irreversible; he neither can nor will (keep, change) it.
10. After I found out that he had lied to me, the damage to our friendship was irreparable; no matter what he said or did, nothing could (break, heal) the wounds in our relationship.
11. The king's word is law and it (can, cannot) be changed; his decision is irrevocable.
12. A man can possess immeasurable wealth but still be miserable; he can possess (no, countless) riches and still remain unhappy.
13. It is highly (likely, unlikely) that the mob would forgive a man who told the government all their secrets; moreover, it is equally improbable that the man will survive the night.
14. This has (everything, nothing) to do with our present situation; it's totally impertinent.
15. One of Wolverine's greatest weapons is his immortality; since he knows he can never (die, cry), he's completely free to fight fearlessly.
16. The immature playboy was scorned for having the tendency to act like a (child, soldier).
17. At first, when in prison, Tai Lung was completely immobilized by the rhino guards; however, his (freedom, paralysis) didn't last long and he eventually escaped.
18. His immoral actions eventually got him in trouble with the police; we always suspected that he would be arrested for his (inspiring, criminal) actions.
19. Even though Carl started out as an impudent child, he gradually developed from a (reverent, disrespectful) brat into a mature young man.
20. I apologize for my actions; they were (very, not) proper, and because they were improper, I'm here to ask your forgiveness.
21. The soldiers tried to break through the wall of the citadel, but the (could, couldn't); it was impenetrable.
22. Since he's an international diplomat, he's granted immunity from all forms of federal restrictions; in other words, he's (susceptible to, exempt from) being arrested for any reason.
23. Diana was forced to apologize for being impolite and making (rude, kind) remarks.
24. An invisible man is an imperceptible fellow; he (can, cannot) be seen by the naked eye.
25. Despite all your strength, you still feel impotent; where does this feeling of (power, weakness) come from?
26. All relationships are naturally imperfect because (no one, everyone) is perfect at all.
27. When Davy Jones evoked Admiral Beckett's wrath, Beckett sternly reminded him that he had been rendered immaterial and that if he ever again failed to remember his (importance, unimportance), he would be severely punished.
28. Matt Dillon and his prisoner thirstily drank water that (was, wasn't) pure; because the water was impure, they became terribly ill until a hermit passed by, took them to his cave, and nursed them back to health.
29. He who is improvident spends his money (wisely, foolishly) and soon loses all of it.
30. A good judge is impartial: one who is (fair, unfair) to both the rich and poor.
31. Matter is indestructible, but not immutable; it cannot be destroyed, but it can be (changed, stiffened).

Synonyms of and words related to Impossible
Beyond
Impervious
Futile
Hopeless
Impractical
Inaccessible
Inconceivable
Insurmountable
Irreparable
Preposterous
Unachievable
Unthinkable
Unreasonable
Unimaginable
Useless

2. The wizard warned the boy that the dark enchantment that ailed his friend was beyond his power; however, he also explained that though he (could, couldn't) override the dark magic, he could show the boy where to find the cure.
3. When a comic book character is labeled as impervious to injury, that means that he or she (can, cannot) be hurt.
4. Our attempts to stifle their running back were futile. (Nothing, Everything) we tried prevented him from rushing for 1,000 yards.
5. This is hopeless; we have (much, no) hope of breaking down this door.
6. Evan, that idea is totally impractical; it's (very, not) sensible.
7. The hare thought it preposterous that the tortoise honestly believed that he could defeat him in a race; he found the idea to be completely (practical, ridiculous).
8. The enemy's forces are insurmountable; they (can, can't) be overcome because they are too great in number.
9. The boss doesn't trust anyone so he makes his files completely inaccessible; (no one, everyone) has any access to his files without his authorization.
10. To me, it's absolutely inconceivable that you could betray her like that; it is (easy, impossible) to understand that you could abuse her trust with such treachery.
11. The damage to their relationship is irreparable; unless a miracle occurs, their relationship (can, can't) be healed.
12. Percy is capable of pulling off unthinkable stunts: stunts that are thought to be (impossible, simple).
13. She's being unreasonable; it's (easy, impossible) for me to get her to listen to my explanations.
14. This stuff is useless; I (can, can't) get it to work.
15. I know this is (easy, difficult) to comprehend, but the fact that the anomaly seems unimaginable does not mean that it's not real.
16. Harry Osborn's father always expected too much from his son and set unachievable goals that were (possible, impossible) to be reached.


Antonyms of Impossible
Possible
Achievable
Obtainable
Reasonable
Believable
Tenable

Antonym exercises
1. I believe that anything is achievable; any goal can be (accomplished, forgotten) if one is truly determined.
2. Once the captain decided that it was he (could, couldn't) in fact navigate through the dangerous Bermuda Triangle, no one could persuade him that it wasn't possible.
3. I (can't, can) pay for this because the price is reasonable.
4. Mike promised his best friend that $ 1,000 was obtainable; he promised to (release, get) the money and help his friend pay back the mob by the end of the week.
5. Since Tom was so (skeptical, gullible), he considered even the most outlandish stories believable.
6. My position is tenable despite all his accusations; he can't prove anything, so I (can, can't) still maintain my position as Vice President.

Synonyms of Irresponsible
Unreliable
Careless
Reckless
Feckless
Immature
Lax
Loose
Rash
Shiftless

Synonym exercises
1. The unreliable servant was quickly fired because he (could, couldn't) be trusted to perform his duties effectively.
2. How could you be so careless; you've just (found, lost) a family heirloom.
3. The security guards were too (careless, strict), and because of the lax security, the robbers got away with everything that was valuable.
4. Stop being so reckless; if you continue to be (cautious, careless) about your own safety, you're going to seriously injure yourself.
5. The feckless playboy lost all of his money within a few months; had he not been so (responsible, irresponsible), he wouldn't have had to become a janitor.
6. Be wary not to make rash decisions; if you make decisions (while, without) thinking, you're sure to make fatal mistakes.
7. Lord Finlay angrily whipped the shiftless stable boy because of his (diligence, laziness).
8. His loose lips have gotten him in a lot of trouble because he's (always, never) careful about what he says.
9. In Disney's the "Jungle Book", the monkeys are labeled as scatterbrained: disorganized fools who have (no, lots of) sense whatsoever.

Antonyms of Irresponsible
Accountable
Careful
Liable
Reliable
Responsible
Trustworthy

Antonym exercises
1. A trustworthy man is a rare and beloved man; in a world where so many are untrue, a(n) (dishonest, honest) man is like a precious jewel.
2. Due to their vast power, presidents are always held accountable for their actions; therefore, if they make a mistake that causes a lot of damage, they are held (responsible, innocent).
3. A true man understands that he is (always, never) in control of his actions; therefore, no matter what happens to him, he is always responsible for what he does.
4. You're liable to get into a lot of trouble if you keep messing with the law; it is also my belief that if I continue to hang out with you, I'm (likely, unlikely) to land in a lot of trouble as well.
5. I know this true because I heard it from a very reliable source; I fully trust my source because he is fully (trustworthy, untrustworthy).
6. In order to lead a truly successful life, one must be adept at discerning when to be bold and when to be careful, when to take risks and when to (embrace, avoid) danger.

Synonyms of Illegal
Banned
Contraband
Crooked
Felonious
Forbidden
Lawless
Outlawed
Prohibited
Shady
Smuggled
Unauthorized
Unconstitutional
Wrongful
Unwarranted

Synonym exercises
1. Under the despot's rule, all books became banned; the dictator (allowed, outlawed) reading in order to keep the people illiterate and prevent any chance of a rebellion.
2. The police confiscated the gang's contraband goods and arrested the criminals for smuggling (legal, illegal) goods into the country.
3. Unless you cease your crooked operation, I'm going to alert the police to this (legal, illegal) activity.
4. When it comes to felonious activities, Neal Caffrey is very gifted; in fact, he's one of the most talented (criminals, preachers) ever.
5. The godlike entity sternly warned Aladdin not to touch the Forbidden Treasure, for it was a cosmic law that (no, any) mortal was allowed to touch the treasure of gods.
6. In early European history piracy was outlawed; however, even though piracy was (legal, illegal) many sailors still became successful buccaneers
7. Thomas Jefferson warned against being quick to change government because he understood that without leadership, society would become lawless and (chaos, order) would reign.
8. In "The Great Gatsby", the main character, Gatsby, was allegedly in involved in (legal, illegal) transactions; however, he was never arrested for his supposed involvement in shady deals.
9. Due to the power of judicial review, once the Supreme Court declares something to be unconstitutional, no matter what, it is (unlawful, lawful).
10. Your presence here is unauthorized; (many, no) ordinary citizens are allowed in this facility.
11. In an episode of "West Wing", after his wrongful arrest, Judge Roberto Mendoza was prepared to sue the entire county for the (injustice, humor) done to him.
12. Before becoming a rebel commander, Han Solo was a scoundrel who (destroyed, transported) illegal goods for galactic crime bosses; however, everything changed when an Imperial cruiser almost captured him and he was forced to drop his smuggled goods.
13. You were not (authorized, forbidden) to open fire in the rebels; now, all because of your unwarranted actions, we may have just started a war.


Antonyms of Illegal
Allowed
Authorized
Ethical
Lawful
Legitimate
Legal
Permissible

Antonym exercises
1. Your honor, this evidence is not permissible in a court of law because it was obtained (legally, illegally).
2. You're not authorized to enter this base; your military clearance was nullified last week, and you are no longer (allowed, disallowed) to enter any secret military facility.
3. Because Donna knew that his actions weren't ethical, she chose to resign; moreover, she informed the police of his (cowardly, immoral) actions.
4. My actions were perfectly legal; I (did, didn't) break the law.
5. In history, that which is lawful and that which is just have not always been the same, for there have been times when that which was (legal, illegal) wasn't necessarily right.
6. Although smoking is not allowed in here, I'll make an exception in your case; since, you're so important, I'll (let, give) you smoke in this facility just this once.
7. In King Lear, Edmund was extremely jealous of his brother, Edgar because Edgar was a legitimate son; in other words, Edgar was the (wrongful, rightful) heir to their father's fortune.