The meaning of PLUMMET is to fall perpendicularly. How to use plummet in a sentence. to fall perpendicularly; to drop sharply and abruptly… See the full definition. Games; Word of the Day; Grammar; Wordplay; New Slang; Rhymes; Word Finder; Thesaurus; Join MWU; More. Games; Word of the Day; Grammar; Wordplay; Slang; Rhymes;

PLUMMET definition: 1. to fall very quickly and suddenly: 2. to fall very quickly and suddenly: 3. to fall very…. Learn more.