Phrasal verb suck up to someone (definition of suck from the cambridge academic content dictionary © cambridge university press) To behave obsequiously; Sucking up to their rich relations.

Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The meaning of suck is to draw (something, such as liquid) into the mouth through a suction force produced by movements of the lips and tongue. How to use suck in a sentence.