Enhance vs Strengthen

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

Enhance

Top 5,000 (fairly common)B2verb

Strengthen

Top 1,000 (very common)B2verb
Most common: Strengthen
 EnhanceStrengthen
Pronunciation🇬🇧 /["/ɪnˈhɑːns/","/ɪnˈhɑːnsɪz/","/ɪnˈhɑːnst/","/ɪnˈhɑːnsɪŋ/"]/🇺🇸 /["/ɪnˈhæns/","/ɪnˈhænsɪz/","/ɪnˈhænst/","/ɪnˈhænsɪŋ/"]/🇬🇧 /["/ˈstreŋkθn/","/ˈstreŋkθnz/","/ˈstreŋkθnd/","/ˈstreŋkθənɪŋ/"]/🇺🇸 /["/ˈstreŋkθn/","/ˈstreŋkθnz/","/ˈstreŋkθnd/","/ˈstreŋkθənɪŋ/"]/
MeaningTo improve something and make it better.To make something stronger or more powerful.
ExampleThe new software will enhance the overall performance of the computer.Regular exercise can help strengthen your muscles.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR levelB2B2
Part of speechverbverb
Collocationsconsiderably, dramatically, greatly, can, could, may, digitally enhanced, surgically enhancedconsiderably, enormously, greatly, help (to), serve to, be designed to, against, an attempt to strengthen something, an effort to strengthen something, be aimed at strengthening something
Antonymsdegrade, diminish, reduceweaken, diminish, reduce
Common mistakesConfused with 'enhancement' in noun form., Using 'enhance' without an object (it needs something to enhance)., Incorrectly using as a synonym for 'increase' in unrelated contexts.Confused with 'strength' as a noun., Used incorrectly with an intransitive verb pattern (e.g., 'strengthen' alone without an object)., Saying 'make strong' instead of 'strengthen'.
Usage notesUsed in both professional and casual contexts. More common in writing than speaking. Avoid in informal situations where simpler words may suffice.Use 'strengthen' when referring to making an argument, relationship, or physical object stronger. It is suitable for both spoken and written contexts, but can sound more formal in some situations.

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Strengthen

Frequently asked questions: Enhance vs Strengthen

What's the difference between Enhance and Strengthen?

Enhance: To improve something and make it better. Strengthen: To make something stronger or more powerful.

Which is more common: Enhance and Strengthen?

Strengthen is the most common in everyday English.

Are Enhance and Strengthen the same CEFR level?

Enhance: B2, Strengthen: B2 on the CEFR scale.

What part of speech are Enhance and Strengthen?

Enhance: verb, Strengthen: verb.

Can you show an example of each?

Enhance: The new software will enhance the overall performance of the computer. Strengthen: Regular exercise can help strengthen your muscles.

Can I use Enhance and Strengthen interchangeably?

Not always. Enhance and Strengthen 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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