The definition of ludicrous is something so absurd it's laughable.(adjective)
An example of ludicrous is the claim that President Obama was born outside of the United States.
See ludicrous in Webster's New World College Dictionary
Origin: L ludicrus < ludus, a play, game < IE base *leid-, to play, tease > Gr loidorein, to rail at, rebuke
See ludicrous in American Heritage Dictionary 4
Origin: From Latin lūdicrus, sportive
Origin: , from lūdus, game; see leid- in Indo-European roots.
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