PLUMMET Meaning of PLUMMET in English verbPlummet is used with these nouns as the subject: ↑ attendance , ↑ level , ↑ morale , ↑ price , ↑ profit , ↑ rate , ↑ rating , ↑ stock , ↑ temperature , ↑ weight Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012