American Dictionary

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Definition dullness in American English

dullness noun

[uncountable] noun
/ˈdʌlnəs/
1

the quality of being boring

Example

the monotony and dullness of everyday life

Example

the movie's overwhelming dullness

2

the quality of not being bright or shiny

Example

skin problems such as dryness and dullness

Synonyms and related words
3

the lack of the ability to understand or react

Example

His patience gave out when confronted with dullness or stupidity.

Synonyms and related words
Definition dullness in American English