Wet  —adj. (wetter, wettest) 1 soaked or covered with water or other liquid. 2 (of the weather etc.) Rainy. 3 (of paint etc.) Not yet dried. 4 used with water (wet shampoo). 5 colloq. Feeble, inept. —v. (-tt-; past and past part. Wet or wetted) 1 make wet. 2 a urinate in or on (wet the bed).