open, open and sincere, open-hearted, genuine, guileless. See - plain-spoken (def. 2).
5. homely, plain-featured, plain-looking, unattractive, unlovely, unpretty, unhandsome, unbeautiful, uncomely; ill-favored, Inf. not much to look at, Inf. short on looks, Inf not much for looks.
6. ordinary, common, commonplace, usual, familiar, nothing out of the ordinary, everyday, workday, workaday, household-variety, garden-variety; nondescript, prosaic, matter-of-fact, Inf no big thing; simple, modest, humble, unaffected, unpretentious, unpretending, unassuming; normal, natural, conventional, informal, regular, average, typical, general; homey, homelike, homish, down-home, homespun, homebred, Inf. folksy.
7. unadorned, unembellished, unornamented, unvarnished, inelegant, unostentatious; basic, bare, pure, severe, stark, austere; lean, spare, laconic, Spartan; uncolored, colorless, monotonous, uninteresting, dull; unfinished, raw, unrefined, rough, unpainted.
8. flat, level, smooth, even; unbroken, uninterrupted, unobstructed, clear, open. -adv. 9. clearly, distinctly, starkly, patently, palpably; noticeably, visibly, conspicuously, discernibly, apparently, recognizably, perceptibly, observably; manifestly, overtly, markedly, pronouncedly, prominently; transparently, openly, plainly.
10. positively, determinately, certainly, veritably, unequivocally, unambiguously, Inf. flat-out, explicitly, expressly; surely, confidently, assuredly, unquestionably, beyond question, conclusively, incontestably, un-controvertibly, undeniably.
-n. 11. lowland, flat, flat or open country, steppe, tundra, champaign; prairie, grassland, meadow, savannah, Brit, heath, Chiefly Brit, moor, (both in South America) pampas, campo; plateau, tableland, mesa.
plainsong, n. plainchant, Gregorian chant, chant; liturgical music; hymn.
plain-spoken, adj. 1. plain, plain-speaking, point-blank, blunt, to the point; abrupt, bluff, brusque, tactless, rude, downright, outright, out-and-out, explicit, unequivocal, Inf. flatfooted; outspoken, free, free-spoken, free-speaking, unreticent, bold, unreserved, unrestrained, unconstrained, unchecked, unabashed, uninhibited, unshrinking.
2. candid, frank, forthright, direct, straightforward, straight-from-the-shoulder, man-to-man, heart-to-heart; open, open and sincere, open-hearted, genuine; guileless, ingenuous, sincere, artless, naive, simple, un-deceptive, undeceiving, undeceitful, unassembling; aboveboard, open and aboveboard, up front, on the level, honest, truthful, on the up and up, no-nonsense.
plaint, n. complaint, grumble, grievance, objection, demur, Inf. kick, Inf. gripe, Inf. grouse; All Si. bitch, squawk, bellyache, beef.
plaintive, adj. melancholy, wistful, sad, saddened, sorrowful, doleful, mournful, heavy-hearted, grieving, grievous, dolorous; unhappy, heartsick, Inf. broken up, miserable, wretched, woeful, woebegone, disconsolate, inconsolable; heart-stricken, grief-stricken, heartbroken, broken-hearted, crushed, Inf. broken; lachrymose, tearful, teary, weeping, crying, sobbing, wailing; funereal, gloomy, morose, dismal, dreary, dull, Scot. and North Eng. dowie, cheerless, glum, under a cloud, Archaic, wan; disappointed, discouraged, despondent.
plait, n. 1. braid, plat, pigtail, twist, queue, cue.
2. pleat, fold, plication, plicature, ruck; crease, line, wrinkle, ridge, groove, furrow, corrugation, crimp, flute, ruffle; gather, shirr, pucker, tuck, dart.