Explosive vs Volatile

When to use each in English, with meaning, register, and examples.

Explosive

Top 2,000 (common)C1adjective

Volatile

FormalTop 3,000 (common)
Most formal: VolatileMost common: Explosive
 ExplosiveVolatile
Pronunciation🇬🇧 /["/ɪkˈspləʊsɪv//ɪkˈspləʊzɪv/"]/🇺🇸 /["/ɪkˈspləʊsɪv//ɪkˈspləʊzɪv/"]/🇬🇧 //ˈvɒl.ə.taɪl//🇺🇸 //ˈvɑː.lə.taɪl//
MeaningSomething that can explode or is very strong and sudden.Something that can change quickly and unpredictably.
Examplean **explosive device** *(= a bomb)*The volatile stock market caused investors to lose confidence quickly.
RegisterNeutralFormal
How commonTop 2,000 (common)Top 3,000 (common)
CEFR levelC1-
Part of speechadjective
Collocationsbe, highly, be, become, extremely, fairly, veryvolatile market, volatile nature, volatile substance, volatile personality, volatile situation
Antonymscalm, peaceful, stablestable, steady, constant
Common mistakesConfused with 'explodes' as a noun instead of an adjective., Using 'explosive' in situations where 'dramatic' or 'intense' would be more appropriate., Mispronouncing as 'explo-sive' instead of 'ex-ploh-sive'.Confusing with 'volcanic', as they are not synonymous., Using in informal contexts, which may sound awkward., Overgeneralizing the meaning to any change, ignoring its specific contexts.
Usage notesOften used in contexts related to chemistry, military, or describing intense emotions. Avoid in casual conversation unless referring to a specific event.Use 'volatile' in contexts related to economics, chemistry, or emotions. It is not suitable for casual conversation.

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Explosive
Volatile

Frequently asked questions: Explosive vs Volatile

What's the difference between Explosive and Volatile?

Explosive: Something that can explode or is very strong and sudden. Volatile: Something that can change quickly and unpredictably.

Which is more formal: Explosive and Volatile?

Volatile is the most formal of these.

Which is more common: Explosive and Volatile?

Explosive is the most common in everyday English.

Can you show an example of each?

Explosive: an **explosive device** *(= a bomb)* Volatile: The volatile stock market caused investors to lose confidence quickly.

Can I use Explosive and Volatile interchangeably?

Not always. Explosive and Volatile are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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