Inhibit vs Prevent

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

Inhibit

Top 2,000 (common)C1verb

Prevent

Top 1,000 (very common)A2verb
Most common: Prevent
 InhibitPrevent
Pronunciation🇬🇧 /["/ɪnˈhɪbɪt/","/ɪnˈhɪbɪts/","/ɪnˈhɪbɪtɪd/","/ɪnˈhɪbɪtɪŋ/"]/🇺🇸 /["/ɪnˈhɪbɪt/","/ɪnˈhɪbɪts/","/ɪnˈhɪbɪtɪd/","/ɪnˈhɪbɪtɪŋ/"]/🇬🇧 /["/prɪˈvent/","/prɪˈvents/","/prɪˈventɪd/","/prɪˈventɪŋ/"]/🇺🇸 /["/prɪˈvent/","/prɪˈvents/","/prɪˈventɪd/","/prɪˈventɪŋ/"]/
Meaningto stop something from happening or growingTo stop something from happening.
ExampleA lack of oxygen may inhibit brain development in the unborn child.We need to prevent accidents on the road.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelC1A2
Part of speechverbverb
Collocationsgreatly, markedly, seriously, tend to, from, greatly, markedly, seriously, tend to, fromeffectively, reliably, successfully, be able to, be unable to, can, from, aimed at preventing something, action to prevent something, measures to prevent something
Antonymspromote, encourage, facilitateallow, permit, facilitate
Common mistakesConfused it with 'prohibit', which means to formally forbid something., Using it with the wrong preposition; it should be 'inhibit something', not 'inhibit to something'., Mixing it up with 'enhance'; inhibit means to restrict, while enhance means to improve.Incorrectly using 'prevent' without an object, e.g., 'prevent from accidents' instead of 'prevent accidents from happening'., Using the wrong preposition, like 'prevent to' instead of 'prevent from'., Confusing 'prevent' with 'avoid'; 'prevent' is more about stopping something from occurring.
Usage notesUse 'inhibit' in both formal and informal contexts when discussing the prevention or slowing of actions, processes, or behaviors. It is appropriate in scientific, medical, or academic discussions, but might sound too technical in casual conversations.Use 'prevent' when discussing actions that stop negative events. It is neutral, appropriate for everyday conversation. Avoid in very formal writing; use 'prohibit' or 'forbid' instead.

Frequently asked questions: Inhibit vs Prevent

What's the difference between Inhibit and Prevent?

Inhibit: to stop something from happening or growing Prevent: To stop something from happening.

Which is more common: Inhibit and Prevent?

Prevent is the most common in everyday English.

Are Inhibit and Prevent the same CEFR level?

Inhibit: C1, Prevent: A2 on the CEFR scale.

Can I use Inhibit and Prevent interchangeably?

Not always. Inhibit and Prevent 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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