plummet

[ pluhm-it ]
/ ˈplʌm ɪt /

noun

Also called plumb bob. a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line.
something that weighs down or depresses.

verb (used without object)

to plunge.

Origin of plummet

1350–1400; (noun) Middle English plommet < Middle French, diminutive of plomb lead; (v.) derivative of the noun See plumb, -et

OTHER WORDS FROM plummet

un·plum·met·ed, adjective

Example sentences from the Web for plummeting

British Dictionary definitions for plummeting

plummet
/ (ˈplʌmɪt) /

verb -mets, -meting or -meted

(intr) to drop down; plunge

noun

another word for plumb bob
a lead plumb used by anglers to determine the depth of water

Word Origin for plummet

C14: from Old French plommet ball of lead, from plomb lead, from Latin plumbum