American Dictionary

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Definition dull in American English

dull verb

[transitive] verb
/dʌl/
Example

The drug can dull the pain, but not completely eliminate it.

Synonyms and related words
2

to make someone's mind slower or less able to understand, think, hear, etc.

Example

Fatigue had dulled her mind.

Example

His senses were dulled by alcohol.

Synonyms and related words
3

to make a sound weaker or less clear

Example

The carpet dulled the sound of their footsteps.

Synonyms and related words
4

if something such as a knife or blade dulls, or if you dull it, it becomes less sharp

Definition dull in American English