Oxymoron (ok´si mor´on), n. 1.  an expression or figure of speech that combines contradictory words 2.  from the Greek, oxymoros, [oxy- sharp + moros dull] Briefly linger over these oxymorons below for some serious fun during your work break. 1.  Non-stop flight 2.  Original copy 3.  Go ahead, back up 4.  Small crowd [...]