Ludicrous/ˈluːdɪkrəs/ Definition 1 of 1Pro Tip 1/3Humor or Disdain Used to express scornful amusement or ridicule, often implying something is silly. Paying to hear someone snore is a ludicrous concept! Pro Tip 2/3Exaggeration Emphasizes how unreasonable something is by overstating it. A chocolate teapot is a ludicrous invention. Pro Tip 3/3Informal Use Often used in casual conversation rather than formal settings. He wore a ludicrous outfit to the party.