ADULTNESS Synonyms: 21 Similar and Opposite Words

adultness

noun

Definition of adultness

as in adulthood

the state of being fully grown or developed decorating her own house gave her a sense of adultness and independence

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Recent Examples of Synonyms for adultness

adulthood

Noun

Stevie Wonder wanted to talk with me, the little boy who worshipped his music straight into adulthood?

— Kevin Powell, MSNBC Newsweek, 8 Nov. 2026
The brain might have greater plasticity early in development, and how sensory experiences shape the brain may differ in adulthood.

— Woon Ju Park, The Conversation, 5 Nov. 2026

Definition of adulthood

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adulthoods

adultness

adults

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“Adultness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adultness. Accessed 15 Nov. 2026.

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Synonyms of adultness

noun

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