Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “volatile”

volatile

adjective uk   /ˈvɒl.ə.taɪl/ us    /ˈvɑː.lə.t̬əl/
likely to change suddenly and unexpectedly or suddenly become violent or angry: Food and fuel prices are very volatile in a war situation. The situation was made more volatile by the fact that people had been drinking a lot of alcohol. He had a rather volatile temper and can't have been easy to live with. A volatile liquid or solid substance will change easily into a gas.
volatility
noun [U] uk   /ˌvɒl.əˈtɪl.ɪ.ti/ us    /ˌvɑː.ləˈtɪl.ə.t̬i/
(Definition of volatile from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of volatile?
Add Cambridge dictionaries to your browser to your website

Definitions of “volatile” in other dictionaries

Word of the Day

wave

to raise your hand and move it from side to side as a way of greeting someone, telling someone to do something, or adding emphasis to an expression

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More