home Jake DeShazo dirt [durt] –noun 1. any foul or filthy substance, as mud, grime, dust, or excrement. 2. earth or soil, especially when loose. 3. something or someone vile, mean, or worthless: After that last outburst of hers I thought she was dirt. 4. moral filth; vileness; corruption. 5. obscene or lewd language: to talk dirt. d a b c d e f g h i j k l m n o p q r s t u v w x y z difficult doo-dz diffuse dilemma dinosaur disarray dog distance divided doily dirt dismantle dining-room