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Explicit Words:

FRIVOLOUS Antonyms

There are 11 antonyms of the word frivolous. (opposite meanings)
Also try opposite words for..
frivolityfrivolouslyfrivolousness

Best Opposite Words For FRIVOLOUS

RankWordSave?Synonyms..UsageType
1serious
adjectiveadj
2earnest
adjectiveadj
3grave
noun, adjectiven, adj
4important
adjectiveadj
5prudent
adjectiveadj
6responsible
adjectiveadj
7sensible
adjectiveadj
8significant
adjectiveadj
9substantial
adjectiveadj
10thoughtful
adjectiveadj
11weighty
adjectiveadj

Alternatives for SERIOUS

Alternatives for EARNEST

Alternatives for GRAVE

Alternatives for IMPORTANT

Alternatives for PRUDENT

Alternatives for RESPONSIBLE

Alternatives for SENSIBLE

Alternatives for SIGNIFICANT

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