Forced

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Middle English: from Old French force (noun), forcer (verb), based on Latin fortis ‘strong’.

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forced (adj.)

"not spontaneous or voluntary, strained, unnatural," 1570s, past-participle adjective from force (v.). Meaning "effected by an unusual application of force" is from 1590s. Related: Forcedly. The flier's forced landing attested by 1917.