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By Root 3683 0

blameworthy, censurable, reprehensible; banned, barred, disallowed, discouraged, forbidden, interdicted, outlawed, prohibited, proscribed; unauthorized, unlicensed, unsanctioned; corrupt, unprincipled, unscrupulous, villainous

Antonyms

lawful, legal, legitimate

dirty, foul, unfair, unsportsmanlike

il·leg·i·ble adjective : not legible

— il·leg·i·bil·i·ty noun

— il·leg·i·bly adverb

il·le·git·i·mate adjective 1 : born of unmarried parents

2 : ILLOGICAL

3 : not sanctioned by law : ILLEGAL

— il·le·git·i·ma·cy noun

— il·le·git·i·mate·ly adverb

Synonyms

[1] natural; also fatherless, motherless; adopted

Antonyms

legitimate

[3] criminal, illegal, illicit, unlawful, wrongful—more at ILLEGAL

ill–fat·ed adjective : having or destined to a hapless fate : UNFORTUNATE

Synonyms

hapless, ill-starred, luckless, unfortunate, unhappy, unlucky—more at UNLUCKY

ill–fa·vored adjective : unattractive in physical appearance : UGLY

ill–got·ten adjective : acquired by improper means <~ gains>

ill–hu·mored adjective : irritably sullen and churlish in mood or manner : SURLY

Synonyms

bearish, bilious, cantankerous, disagreeable, dyspeptic, ill-tempered, ornery, splenetic, surly

il·lib·er·al adjective : not liberal : NARROW, BIGOTED

il·lic·it adjective : not permitted : UNLAWFUL

— il·lic·it·ly adverb

Synonyms

criminal, illegal, illegitimate, unlawful, wrongful—more at ILLEGAL

il·lim·it·able adjective : incapable of being limited or bounded : BOUNDLESS, MEASURELESS

— il·lim·it·ably adverb

Synonyms

boundless, endless, immeasurable, indefinite, infinite, limitless, measureless, unbounded, unfathomable, unlimited—more at INFINITE

Il·li·nois noun, plural Illinois : a member of an American Indian people of Illinois, Iowa, and Wisconsin

il·lit·er·ate adjective 1 : having little or no education; especially : unable to read or write

2 : showing a lack of familiarity with the fundamentals of a particular field of knowledge

— il·lit·er·a·cy noun

— illiterate noun

Synonyms

dark, ignorant, simple, uneducated, unlearned, untaught—more at IGNORANT

ill–man·nered adjective : marked by bad manners : RUDE

Synonyms

discourteous, ill-bred, impertinent, impolite, inconsiderate, rude, thoughtless, uncivil, ungracious, unmannerly—more at IMPOLITE

ill–na·tured adjective : having a bad disposition : CROSS, SURLY

— ill–na·tured·ly adverb

ill·ness noun : an unhealthy condition of body or mind : SICKNESS; also : a specific disease

Synonyms

affection, ailment, bug, complaint, complication, condition, disease, disorder, fever, ill, infirmity, malady, sickness, trouble—more at DISEASE

il·log·i·cal adjective : lacking sound reasoning; also : SENSELESS

— il·log·i·cal·ly adverb

Synonyms

fallacious, invalid, irrational, senseless, unreasonable, unsound, weak; also misleading, specious; ill-advised, unconsidered, unreasoned; inconsistent; absurd, asinine, foolish, meaningless, nonsensical, preposterous, silly; odd, peculiar, strange, unusual, weird; insane, nutty, mad, wacky; disordered, disorganized, rambling, random; unconvincing; inexplicable, unaccountable

ill–starred adjective : having or meeting with misfortune : UNLUCKY

Synonyms

hapless, ill-fated, luckless, unfortunate, unhappy, unlucky—more at UNLUCKY

ill–tem·pered adjective : having a bad disposition : CROSS

Synonyms

bearish, bilious, cantankerous, cross, disagreeable, dyspeptic, ill-humored, ornery, splenetic, surly; also choleric, crabby, cranky, crotchety, fussy, grouchy, grumpy, querulous; irascible, irritable, peevish, petulant, snappish, testy, touchy; argumentative, contrary, contentious; angry, indignant, irate, mad, upset, uptight; depressed, dour, glum, morose, sullen

Antonyms

amiable, good-natured, good-tempered

ill–treat verb : to treat cruelly or improperly : MALTREAT

— ill–treat·ment noun

Synonyms

abuse, maltreat, manhandle, mishandle, mistreat, misuse—more at ABUSE

il·lu·mi·nate verb -nat·ed; -nat·ing 1 : to supply or brighten with light : light up

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