Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mercurial”

See all translations

mercurial

adjective uk   /mɜːˈkjʊə.ri.əl/ us    /mɜːrˈkjʊr.i-/

mercurial adjective (QUICK)

literary changing suddenly and often: a mercurial temperament She was entertaining but unpredictable, with mercurial mood swings. literary intelligent, enthusiastic, and quick: a mercurial mind/wit

mercurial adjective (RELATING TO MERCURY)

specialized medical containing or caused by mercury: mercurial drugs
Translations of “mercurial”
in Chinese (Traditional) 多變的,反覆無常的, 機智而充滿熱忱的…
in Chinese (Simplified) 多变的,反复无常的, 雄辩机智的…
(Definition of mercurial from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mercurial?
Add Cambridge dictionaries to your browser to your website

Word of the Day

piglet

a baby pig

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More