definitions

coarser

[ kawr-ser, kohr- ]
/ ˈkɔr sər, ˈkoʊr- /
|

adjective Mathematics.

of or relating to a topology on a topological space whose open sets are included among the open sets of a second specified topology on the space.

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RELATED WORDS

boorish, rude, gruff, ribald, vulgar, off-color, obscene, raw, dirty, crude, scatological, nasty, bawdy, crass, grainy, harsh, base, blue, cheap, common

Nearby words

coarctation, coarse, coarse fish, coarse-grained, coarsen, coarser, coarticulation, coast, coast artillery, coast guard, coast is clear, the
Compare finer.

Origin of coarser

coarse + -er4

Definition for coarser (2 of 2)

coarse

[ kawrs, kohrs ]
/ kɔrs, koʊrs /

adjective, coars·er, coars·est.

Origin of coarse

First recorded in 1550–60; earlier cors(e), course, cowarce; of obscure origin

SYNONYMS FOR coarse

2, 4 crude, rude, rough.
4 vulgar, gross, crass.
6 indelicate.

ANTONYMS FOR coarse

4 refined, sensitive.

Related forms

Can be confused

coarse course curse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for coarser

coarse

/ (kɔːs) /

adjective

rough in texture, structure, etc; not finecoarse sand
lacking refinement or taste; indelicate; vulgarcoarse jokes
of inferior quality; not pure or choice
(of a metal) not refined
(of a screw) having widely spaced threads

Derived Forms

coarsely, adverbcoarseness, noun

Word Origin for coarse

C14: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012