Entry 2 senses Webster, 1913 Impaste · Im·paste · IPA /ɪmˈpeɪst/ 01 v. t. To knead; to make into paste; to concrete. imp. & p. p. Impasted; p. pr. & vb. n. Impasting 1. To knead; to make into paste; to concrete. 2. To lay color on canvas by uniting them skillfully together. Cf. Impasto.(Paint.) [R.] See: Impasto