Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS

WORDNET DICTIONARY

Verb coarsen has 2 senses

• coarsen(v = verb.contact) Array - make or become coarse or coarser; "coarsen the surface"; "Their minds coarsened"
is one way to alter, change, modify
Sample sentences:
Somebody ----s something
Something ----s something

• coarsen(v = verb.change) Array - make less subtle or refined; "coarsen one's ideals"
is one way to alter, change, modify
Sample sentences:
Somebody ----s something
Something ----s something

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

coarsen

adulterate, alloy, boss, brutify, canker, carnalize, cheapen, confound, contaminate, corrupt, debase, debauch, defile, deflower, degenerate, degrade, denature, deprave, desecrate, despoil, devalue, distort, gnarl, grain, granulate, horripilate, infect, knob, misuse, pervert, pimple, poison, pollute, popularize, prostitute, ravage, ravish, rough, rough up, roughen, smooth, stud, taint, tooth, twist, ulcerate, violate, vitiate, vulgarize, warp

For further exploring for "coarsen" in Webster Dictionary Online