serious - Similar and Opposite Words

What is another word for serious ?

Here are the synonyms for serious , a list of similar words for serious from our thesaurus that you can use

Adjective

causing fear or anxiety by threatening great harm

Synonyms

• dangerous
• grave
• grievous
• life-threatening
• serious
• severe

Related

• critical

Adjective

requiring effort or concentration; complex and not easy to answer or solve

Synonyms

• serious

Related

• difficult
• hard

Adjective

of great consequence

Synonyms

• serious

Related

• important
• of import

Adjective

appealing to the mind

Synonyms

• good
• serious

Related

• intellectual

Adjective

concerned with work or important matters rather than play or trivialities

Synonyms

• serious

Related

• earnest
• grave
• overserious
• real
• sedate
• serious-minded
• sincere
• sober
• sobering
• solemn
• solid
• thoughtful

Opposite / Antonyms

• frivolous

Adjective

completely lacking in playfulness

Synonyms

• serious
• sober
• unplayful

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