Synonyms of plain in English:

plain


See definition of plain

adjective

1‘it was plain that something was very wrong’

SYNONYMS

obvious, clear, crystal clear, as clear as crystal, evident, apparent, manifest, patent, visible, discernible, perceptible, perceivable, noticeable, detectable, recognizable, observable, unmistakable, transparent, palpable, distinct, pronounced, marked, striking, conspicuous, overt, self-evident, indisputable

as plain as a pikestaff, staring someone in the face, writ large, written all over someone, as plain as day, plain to see, beyond doubt, beyond a doubt, beyond question

informal as plain as the nose on one's face, standing out like a sore thumb, sticking out like a sore thumb, standing out a mile, sticking out a mile

2‘put it in plain English’

SYNONYMS

intelligible, comprehensible, understandable, coherent, accessible, uncomplicated, lucid, perspicuous, unambiguous, clear, simple, straightforward, clearly expressed, clear-cut, direct, digestible, user-friendly

ANTONYMS

unclear, obscure

3‘there were indrawn breaths at such plain speaking’

SYNONYMS

candid, frank, outspoken, forthright, plain-spoken, direct, honest, truthful, blunt, downright, unvarnished, bald, straight from the shoulder, explicit, unequivocal

informal upfront

archaic round, free-spoken

4‘her plain black dress’

SYNONYMS

simple, ordinary, unadorned, undecorated, unembellished, unornamented, unpretentious, unostentatious, unfussy, homely, homespun, basic, modest, unsophisticated, penny plain, without frills

stark, severe, spartan, austere, chaste, bare, uncluttered, restrained, muted, unpatterned, patternless, everyday, workaday

ANTONYMS

fancy, elaborate

5‘a rather plain girl’

SYNONYMS

unattractive, unprepossessing, as plain as a pikestaff, ugly, ill-favoured, unlovely, ordinary-looking

North American homely

informal not much to look at, fugly

British informal no oil painting

NZ informal huckery

ANTONYMS

attractive, beautiful, good-looking

6‘a plain, honest man with no nonsense about him’

SYNONYMS

straightforward, unpretentious, simple, ordinary, average, unassuming, unaffected, honest-to-goodness, ingenuous, artless, guileless, sincere

North American cracker-barrel

ANTONYMS

pretentious, affected

7‘it was plain bad luck’

SYNONYMS

sheer, pure, downright, out-and-out, unmitigated, rank, nothing other than


adverb

1‘this is just plain stupid’

SYNONYMS

downright, utterly, absolutely, completely, totally, really, thoroughly, positively, profoundly, categorically, simply, incontrovertibly, unquestionably, undeniably

informal plumb


noun

1‘the vast treeless plains of North America’

SYNONYMS

grassland, flatland, lowland, pasture, meadowland, open country, prairie, savannah, steppe

tableland, tundra, pampas, campo, llano, vega

veld

pediplain

literary champaign


Phrases

    plain sailing

      ‘getting their products onto the market has not been plain sailing’

      SYNONYMS

      uncomplicated, straightforward, simple, easy, effortless, painless, undemanding, unexacting

      elementary, a five-finger exercise, child's play

      routine

      informal

      as easy as falling off a log, as easy as pie, as easy as ABC, a piece of cake, a cinch, a snip, easy-peasy, no sweat, a doddle, money for old rope, money for jam, kids' stuff, a breeze, a doss, a cakewalk

      North American informal

      duck soup, a snap

      NZ Australian informal

      a bludge, a snack

      South African informal

      a piece of old tackle