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Definitions

adulthood

[uh-duhlt-hood] / əˈdʌlt hʊd /
NOUN
age
Synonyms
STRONGEST
life maturity old age youth
STRONG
adolescence boyhood childhood dotage girlhood infancy lifetime majority senility seniority
WEAK
elderliness middle age
NOUN
age of consent
Synonyms
WEAK
manhood marriageable age maturity womanhood
NOUN
development
Synonyms
STRONGEST
advancement evolution expansion improvement increase progress
STRONG
addition advance augmentation boost buildup chrysalis developing enlargement flowering hike maturation maturity ontogenesis ontogeny progression reinforcement ripening spread spreading unfolding
WEAK
adding to advancing augmenting elaborating evolvement evolving increasing making progress maturing ongoing perfecting reinforcing unraveling upgrowth upping
Antonyms
STRONGEST
decline decrease halt retreat retrogression stoppage
STRONG
lessening reduction shrinkage stagnation withdrawal
NOUN
manhood
Synonyms
STRONGEST
boldness bravery courage fortitude masculinity mettle nobility potency virility
STRONG
chivalry daring determination firmness forcefulness gallantry hardihood honor machismo manfulness manliness resoluteness resolution self-reliance spirit sturdiness tenacity valor
Antonyms
STRONGEST
cowardice fear timidity weakness
STRONG
irresolution
NOUN
manhood/womanhood
Synonyms
WEAK
coming of age fecundity femininity fertility manfulness manliness masculinity mettle potency virility womanliness womanness
Antonyms
WEAK
childhood
NOUN
unfolding
Synonyms
STRONGEST
flowering
STRONG
addition advance advancement advancing augmentation augmenting boost buildup developing elaborating enlargement evolution evolving expansion growth hike improvement increase increasing maturation maturing maturity perfecting progress progression reinforcement reinforcing ripening spread spreading unraveling upping
WEAK
adding to evolvement making progress ongoing upgrowth
Antonyms
STRONG
decline decrease diminishment failure halt lessening loss reduction retreat retrogression shrinkage stagnation stop stoppage subtraction withdrawal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The findings point to a clear trend: gaining weight earlier in adulthood has the strongest impact on long-term health.

From Science Daily • Apr. 11, 2026

It had never made a strong enough impression to follow me into adulthood, and so it didn’t.

From Salon • Apr. 10, 2026

"Friends," which followed the lives of six New Yorkers navigating adulthood, dating and careers, drew a massive following and made megastars of previously unknown actors.

From Barron's • Apr. 8, 2026

Crimson is one of the youngest mountain lion cubs the zoo has ever cared for, and ensuring he reaches adulthood is no easy task.

From Los Angeles Times • Apr. 3, 2026

The checks that exist in nature are such that out of the millions of young produced by each pair only enough, on the average, survive to adulthood to replace the parent fish.

From "Silent Spring" by Rachel Carson

Vocabulary lists containing adulthood

Sula

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-dom and -hood

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