pre·pos·ter·ous (prĭ-pŏs'tər-əs) adj. Contrary to nature, reason, or common sense; absurd. See Synonyms at foolish. [From Latin praeposterus, inverted, unseasonable : prae-, pre- + posterus, coming behind (from post, behind; see apo- in Indo-European roots).] pre·pos'ter·ous·ly adv., pre·pos'ter·ous·ness n. |