Quick definitions from WordNet (suck up)
▸ verb: take in, also metaphorically
▸ verb: ingratiate oneself to; often with insincere behavior
▸ verb: try to gain favor by cringing or flattering
▸ Also see suck_ups
▸ Words similar to suck up
▸ Usage examples for suck up
▸ Words that often appear near suck up
▸ Rhymes of suck up
▸ Invented words related to suck up
▸ verb: take in, also metaphorically
▸ verb: ingratiate oneself to; often with insincere behavior
▸ verb: try to gain favor by cringing or flattering
▸ Also see suck_ups
▸ Words similar to suck up
▸ Usage examples for suck up
▸ Words that often appear near suck up
▸ Rhymes of suck up
▸ Invented words related to suck up