Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1478]
— un·pleas·ant·ly adverb
— un·pleas·ant·ness noun
Synonyms
bad, disagreeable, distasteful, nasty, rotten, sour, uncongenial, unlovely, unwelcome; also abhorrent, abominable, appalling, awful, beastly, disgusting, dreadful, foul, hideous, horrendous, horrible, horrid, invidious, loathsome, nauseating, noisome, obnoxious, obscene, odious, repellent, repugnant, repulsive, revolting, scandalous, shocking, sickening, ugly, villainous; annoying, galling, irritating, vexing
Antonyms
agreeable, nice, pleasant, pleasurable, pleasing, satisfying, welcome
un·pleas·ing adjective : not pleasing : causing discomfort, displeasure, or repugnance
un·plug verb 1 : UNCLOG
2 : to remove (a plug) from a receptacle; also : to disconnect from an electric circuit by removing a plug
un·plumbed adjective 1 : not tested or measured with a plumb line
2 : not thoroughly explored
un·pol·ished adjective 1 : not made smooth by polishing
2 : not marked by refinement
Synonyms
coarse, common, crass, crude, gross, ill-bred, low, rough, rude, tasteless, uncouth, uncultivated, uncultured, unrefined, vulgar—more at COARSE
un·pop·u·lar adjective : not popular : looked upon or received unfavorably
— un·pop·u·lar·i·ty noun
un·prec·e·dent·ed adjective : having no precedent : NOVEL
un·pre·dict·able adjective : not predictable
Synonyms
capricious, changeable, fickle, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unsettled, unstable, unsteady, variable, volatile—more at FICKLE
un·prej·u·diced adjective : not prejudiced : free from undue bias
Synonyms
disinterested, dispassionate, equal, equitable, fair, impartial, just, nonpartisan, objective, square, unbiased—more at FAIR
un·pre·med·i·tat·ed adjective : not premeditated
Synonyms
accidental, casual, chance, fluky, fortuitous, incidental, unintended, unintentional, unplanned, unwitting—more at ACCIDENTAL
un·pre·pared adjective 1 : not prepared
2 a : happening without preparation
b : arriving or taking place unexpectedly or without warning
Synonyms
ad-lib, extemporaneous, impromptu, offhand, snap, unplanned, unpremeditated, unrehearsed—more at EXTEMPORANEOUS
un·pre·tend·ing adjective : not pretending; especially : UNPRETENTIOUS
un·pre·ten·tious adjective : not pretentious
Synonyms
artless, genuine, honest, ingenuous, innocent, naive, natural, real, simple, sincere, true, unaffected
demure, humble, lowly, meek, modest, retiring, unassuming—more at HUMBLE
un·pret·ty adjective : not pretty : lacking in beauty
un·prin·ci·pled adjective : lacking sound or honorable principles : UNSCRUPULOUS
Synonyms
cutthroat, immoral, Machiavellian, unconscionable, unethical, unscrupulous; also calculating, intriguing, opportunistic, scheming; merciless, pitiless, remorseless, ruthless; crooked, deceitful, dishonest; corrupt, debased, debauched, decadent, degenerate, degraded, demoralized, depraved, dissipated
Antonyms
ethical, moral, principled, scrupulous
un·print·able adjective : unfit to be printed; especially : too obscene or offensive to be shown in print
Synonyms
bawdy, coarse, crude, dirty, filthy, foul, gross, indecent, lascivious, lewd, nasty, obscene, pornographic, ribald, smutty, vulgar, wanton—more at OBSCENE
un·pro·cessed adjective : not processed; especially : not altered from an original or natural state
Synonyms
crude, native, natural, raw, undressed, unrefined, untreated—more at CRUDE
un·pro·duc·tive adjective : not productive
Synonyms
barren, infertile, poor, stark, waste—more at BARREN
abortive, bootless, empty, fruitless, futile, ineffective, unavailing, unsuccessful, useless, vain—more at FUTILE
un·pro·fes·sion·al adjective 1 : not belonging to or gainfully employed at a particular profession
2 : not characteristic of or befitting a professional
Synonyms
amateur, amateurish, inexperienced, inexpert, nonprofessional, unskilled, unskillful—more at AMATEURISH
un·prof·it·able adjective : not profitable : USELESS
un·pro·gres·sive adjective : not