Entry 1 sense Webster, 1913 Puzzler /pŭz'-lẽr/ · Puz·zler · IPA /pˈʌzlər/ 01 n. One who, or that which, puzzles or perplexes. 1. One who, or that which, puzzles or perplexes. “Hebrew, the general puzzler of old heads.” — Brome.