Meaning of the word serious in English

What does serious mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

serious

US /ˈsɪr.i.əs/

UK /ˈsɪə.ri.əs/

demanding or needing careful consideration or application

Example:

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This is a serious matter that requires our full attention.

•

He made a serious effort to improve his grades.

Synonym:

grave solemn earnest thoughtful important

not joking or fooling around; earnest in manner or intention

Example:

•

He looked at me with a serious expression.

•

Are you serious about quitting your job?

Synonym:

having important or dangerous possible results

Example:

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The doctor said it was a serious illness.

•

The accident caused serious damage to the car.

Synonym:

critical severe grave dangerous alarming