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volatile

/ˈvɑlədl/
/ˈvɒlətəl/
IPA guide

Other forms: volatiles

Watch out when a situation becomes volatile — it is likely to change for the worse suddenly. If you and your best friend have a volatile relationship, you frequently fight and make up.

Volatile from Latin volatilis, "fleeting, transitory," always gives the sense of sudden, radical change. Think of it as the opposite of stable. A person who is volatile loses his or her temper suddenly and violently. A volatile political situation could erupt into civil war. When the stock market is volatile, it fluctuates greatly. And in scientific language, a volatile oil evaporates quickly.

Definitions of volatile
  1. adjective
    liable to lead to sudden change or violence
    “a volatile situation with troops and rioters eager for a confrontation”
    synonyms: explosive
    unstable
    lacking stability or fixity or firmness
  2. adjective
    marked by erratic changeableness in affections or attachments
    “a flirt's volatile affections”
    synonyms: fickle
    inconstant
    likely to change frequently often without apparent or cogent reason; variable
  3. adjective
    tending to vary often or widely
    volatile stocks”
    volatile emotions”
    synonyms:
    changeable, changeful
    such that alteration is possible; having a marked tendency to change
  4. adjective
    evaporating readily at normal temperatures and pressures
    volatile oils”
    volatile solvents”
    synonyms:
    inconstant
    likely to change frequently often without apparent or cogent reason; variable
    evaporable, vaporific, vaporizable, vapourific, vapourisable, volatilisable, volatilizable
    (used of substances) capable of being volatilized
    see moresee less
    antonyms:
    nonvolatile
    not volatilizing readily
  5. noun
    a substance that changes readily from solid or liquid to vapor
    “it was heated to evaporate the volatiles
    see moresee less
    type of:
    substance
    the real physical matter of which a person or thing consists
Pronunciation
US
/ˈvɑlədl/
UK
/ˈvɒlətəl/
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘volatile'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
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