ludicrous in WordNet English dictionary

1. incongruous;inviting ridicule
   "the absurd excuse that the dog ate his homework"; "that's a cockeyed idea"; "ask a nonsensical question and get a nonsensical answer"; "a contribution so small as to be laughable"; "it is ludicrous to call a cottage a mansion"; "a preposterous attempt to turn back the pages of history"; "her conceited assumption of universal interest in her rather dull children was ridiculous"
   absurd  cockeyed  derisory  idiotic  laughable  ludicrous  nonsensical  preposterous  ridiculous 
   
2. broadly or extravagantly humorous; resembling farce
   "the wild farcical exuberance of a clown"; "ludicrous green hair"
   farcical  ludicrous  ridiculous