Word Study
unlawful
CIDE DICTIONARY
unlawful, a.
Not lawful; contrary to law. [1913 Webster]
OXFORD DICTIONARY
unlawful, adj. not lawful; illegal, not permissible.
Derivative
unlawfully adv. unlawfulness n.
THESAURUS
unlawful
aberrant, abnormal, abominable, actionable, against the law, anarchic, anarchistic, anomic, atrocious, banned, barred, black-market, bootleg, chargeable, contraband, contrary to law, criminal, delinquent, deviant, disgraceful, evil, exceptionable, felonious, flawed, forbade, forbid, forbidden, hardly the thing, ignominious, illegal, illegitimate, illicit, impermissible, improper, inappropriate, incorrect, indecorous, infamous, iniquitous, interdicted, intolerable, irregular, justiciable, lawless, nefarious, nonconstitutional, nonlegal, nonlicit, nonpermissible, not done, not permitted, not the thing, objectionable, off limits, off-base, off-color, out of bounds, out-of-line, outlaw, outlawed, prohibited, proscribed, punishable, ruled out, sacrilegious, scandalous, shameful, shameless, sinful, taboo, tabooed, terrible, triable, unallowed, unauthorized, unconstitutional, under the ban, under the table, under-the-counter, under-the-table, undue, unfit, unfitting, unlicensed, unofficial, unpermissible, unrighteous, unsanctioned, unseemly, unstatutory, unsuitable, untouchable, unwarrantable, unwarranted, verboten, vetoed, wicked, wrong, wrongfulROGET THESAURUS
unlawful
Illegality
N illegality, lawlessness, illicitness, breach of law, violation of law, infraction of the law, disobedience, unconformity, arbitrariness, antinomy, violence, brute force, despotism, outlawry, mob law, lynch law, club law, Lydford law, martial law, drumhead law, coup d'etat, le droit du plus fort, argumentum baculinum, illegality, informality, unlawfulness, illegitimacy, bar sinister, trover and conversion, smuggling, poaching, simony, outlaw, bad man, v, offend against the law, violate the law, infringe the law, break the law, set the law at defiance, ride roughshod over, drive a coach and six through a statute, ignore the law, make the law a dead letter, take the law into one's own hands, smuggle, run, poach, illegal, unlawful, illegitimate, not allowed, prohibited, illicit, contraband, actionable, unwarranted, unwarrantable, unauthorized, informal, unofficial, injudicial, extrajudicial, lawless, arbitrary, despotic, despotical, corrupt, summary, irresponsible, unanswerable, unaccountable, expired, invalid, unchartered, unconstitutional, null and void, a dead letter, lawless, unregulated, illegally, with a high hand, in violation of law.Undueness
N undueness, malum prohibitum, impropriety, illegality, falseness, emptiness of title, invalidity of title, illegitimacy, loss of right, disfranchisement, forfeiture, usurpation, tort, violation, breach, encroachment, presumption, assumption, seizure, stretch, exaction, imposition, lion's share, usurper, pretender, undue, unlawful, unconstitutional, illicit, unauthorized, unwarranted, disallowed, unallowed, unsanctioned, unjustified, unentitled, disentitled, unqualified, disqualified, unprivileged, unchartered, illegitimate, bastard, spurious, supposititious, false, usurped, tortious, undeserved, unmerited, unearned, unfulfilled, forfeited, disfranchised, improper, unmeet, unfit, unbefitting, unseemly, unbecoming, misbecoming, seemless, contra bonos mores, not the thing, out of the question, not to be thought of, preposterous, pretentious, would-be, filius nullius.For further exploring for "unlawful" in Webster Dictionary Online