DictionaryRoot: ludicrus
Latin
ludicrus
sportive, playful
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adjective
ludicrous
LOO-dih-krus/ˈluːdɪkrəs/
So foolish or unreasonable as to seem ridiculous.
Etymology
The playful meaning of ludicrus survives in the earlier English sense “pertaining to play or sport.” The emphasis shifted from amusement to ridicule: something ludicrous is laughable for its foolishness or unreasonableness.