Entry 2 senses · 2 variants Webster, 1913 Grime /grīm/ · IPA /ɡɹaɪm/ n. v. t. 01 n. Foul matter; dirt, rubbed in; sullying blackness, deeply ingrained. 1. Foul matter; dirt, rubbed in; sullying blackness, deeply ingrained. 02 v. t. To sully or soil deeply; to dirt. 1. To sully or soil deeply; to dirt.