Exert vs Strain

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

Exert

Top 3,000 (common)C1verb

Strain

Top 2,000 (common)C1noun
Most common: Strain
 ExertStrain
Pronunciation🇬🇧 /["/ɪɡˈzɜːt/","/ɪɡˈzɜːts/","/ɪɡˈzɜːtɪd/","/ɪɡˈzɜːtɪŋ/"]/🇺🇸 /["/ɪɡˈzɜːrt/","/ɪɡˈzɜːrts/","/ɪɡˈzɜːrtɪd/","/ɪɡˈzɜːrtɪŋ/"]/🇬🇧 /["/streɪn/"]/🇺🇸 /["/streɪn/"]/
MeaningTo use energy or effort to do something.To make a lot of effort or to injure a muscle.
ExampleHe exerted all his authority to make them accept the plan.The strain on the bridge increased with the heavy traffic.
RegisterNeutralNeutral
How commonTop 3,000 (common)Top 2,000 (common)
CEFR levelC1C1
Part of speechverbnoun
Collocationsexert influence, exert pressure, exert effort, exert force, exert controlconsiderable, enormous, great, be under, come under, feel, show, take its toll (on somebody), tell (on somebody), under the strain, strain on, a bit of a strain, signs of strain, stresses and strains, considerable, enormous, great, be under, come under, feel, show, take its toll (on somebody), tell (on somebody), under the strain, strain on, a bit of a strain, signs of strain, stresses and strains, bad, slight, back, be suffering from, have, get, new, mutant, virulent, discover, identify, analyse/​analyze, strain of
Antonymsrelax, neglect, surrenderrelax, release, ease
Common mistakesConfused with 'exertion', which is the act of exerting., Used incorrectly with inanimate objects, as 'exert' typically requires a person as the subject., Mispronounced, often stressing the wrong syllable.Confused with 'stain' when writing., Used as a noun without clarification (e.g., strain of effort)., Incorrectly conjugating in different tenses.
Usage notesCommonly used in contexts involving physical effort or influence. Avoid in casual conversations where simpler words like 'use' can apply.Use 'strain' when discussing physical effort, injuries, or intense focus. Often used in exercise contexts. Avoid using in overly casual situations.

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Strain

Frequently asked questions: Exert vs Strain

What's the difference between Exert and Strain?

Exert: To use energy or effort to do something. Strain: To make a lot of effort or to injure a muscle.

Which is more common: Exert and Strain?

Strain is the most common in everyday English.

Are Exert and Strain the same CEFR level?

Exert: C1, Strain: C1 on the CEFR scale.

What part of speech are Exert and Strain?

Exert: verb, Strain: noun.

Can you show an example of each?

Exert: He exerted all his authority to make them accept the plan. Strain: The strain on the bridge increased with the heavy traffic.

Can I use Exert and Strain interchangeably?

Not always. Exert and Strain 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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