say it: pluhnj
plunge is a verb and noun meaning "thrust or throw into". It is pronounced /ˈplʌndʒ/ — pluhnj. It carries 10 recorded senses.
drop steeply
“the stock market plunged”
cause to be immersed
“The professor plunged his students into the study of the Italian text”
a steep and rapid fall
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for plunge come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.