Intensify vs Strengthen

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

 IntensifyStrengthen
MeaningTo make something stronger or more extreme.To make something stronger or more powerful.
CEFR levelC1B2
Part of speechverbverb
Usage notesUse 'intensify' when describing emotions, situations, or actions that become stronger. It fits in both formal and informal contexts, but avoid using it in very casual conversations.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.

Frequently asked questions: Intensify vs Strengthen

What's the difference between "Intensify" and "Strengthen"?

"Intensify" means: To make something stronger or more extreme. "Strengthen" means: To make something stronger or more powerful.

When should I use "Intensify" and "Strengthen"?

They can all be used in everyday English.

Are "Intensify" and "Strengthen" the same CEFR level?

"Intensify" is at C1, "Strengthen" is at B2 on the CEFR scale.

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