American Dictionary

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Definition coarsen in American English

coarsen verb

verb
/ˈkɔrs(ə)n/
1

to become rough and hard, or to make something become rough and hard

Example

the coarsened skin on his hands

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2

to become larger and thicker, or to make something become larger and thicker

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3

to make someone or something less polite or less sensitive

Example

The years spent in the army had coarsened his manners.

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Definition coarsen in American English