adj., coars·er, coars·est.

1. Of low, common, or inferior quality.
2. 1. Lacking in delicacy or refinement: coarse manners.
   2. Vulgar or indecent: coarse language.
3. Consisting of large particles; not fine in texture: coarse sand.
4. Rough, especially to the touch: a coarse tweed.

[Middle English cors, probably from course, custom. See course.]

coarsely coarse'ly adv.
coarseness coarse'ness n.

adjective

1. Lacking in delicacy or refinement: barbarian, barbaric, boorish, churlish, crass, crude, gross, ill-bred, indelicate, philistine, rough, rude, tasteless, uncivilized, uncouth, uncultivated, uncultured, unpolished, unrefined, vulgar. See courtesy/discourtesy, smooth/rough.
2. Offensive to accepted standards of decency: barnyard, bawdy, broad, dirty, Fescennine, filthy, foul, gross, lewd, nasty, obscene, profane, ribald, scatologic, scatological, scurrilous, smutty, vulgar. Slang raunchy. See decent/indecent.
3. Consisting of or covered with large particles: grainy, granular, gritty, rough. See smooth/rough.
4. Having a surface that is not smooth: cragged, craggy, harsh, ironbound, jagged, ragged, rough, rugged, scabrous, uneven. See smooth/rough.

adj

Definition: rough, unrefined
Antonyms: delicate, refined, smooth, soft

adj

Definition: rude, vulgar
Antonyms: gentle, nice, polite, refined, sophisticated

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IN BRIEF: Made up of rather large particles. Also: Not polite or refined.

The sand was very coarse on that famous beach.

Tutor's tip: Another word that sounds like "coarse" is "course" which is a way, path or channel.

Dansk (Danish)
adj. - grov, rå, plump, simpel

Nederlands (Dutch)
grof, ruw, inferieur, platvloers

Français (French)
adj. - grossier, épais, à gros grains (un papier), dru (un cheveu), rugueux, vulgaire (accent), cru (un langage), ordinaire (un vin), (Géol) grossier (des sédiments)

Deutsch (German)
adj. - grob, derb, ungehobelt

Ελληνική (Greek)
adj. - τραχύς, άγριος, αδρός, αδρόκοκκος, ευτελής, πρόστυχος, άξεστος, αγροίκος, χυδαίος, χονδροειδής

Italiano (Italian)
grezzo, grosso (di sale), rozzo, villano

Português (Portuguese)
adj. - grosseiro, não refinado, obsceno

Русский (Russian)
грубый

Español (Spanish)
adj. - basto, tosco, burdo, áspero, agudo, grosero

Svenska (Swedish)
adj. - grov, enkel, grovkornig, ohyfsad, oanständig

中文（简体） (Chinese (Simplified))
粗糙的, 粗俗的, 下等的

中文（繁體） (Chinese (Traditional))
adj. - 粗糙的, 粗俗的, 下等的

한국어 (Korean)
adj. - 조잡한 , 결이 거친, 야비한

日本語 (Japanese)
adj. - きめの粗い, 粗末な, 粗悪な, 粗野な

العربيه (Arabic)
‏(صفه) خشن, فظ, غليظ‏

עברית (Hebrew)
adj. - ‮מחוספס, גס‬

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