Thesaurus.com
Dictionary.com
Definitions

younger

[yuhng-ger] / ˈyʌŋ gər /
ADJECTIVE
juvenile
Synonyms
STRONGEST
youthful
STRONG
adolescent blooming budding developing formative green growing infant junior tender young
WEAK
babyish beardless boyish callow childlike fresh girlish immature inexperienced infantile jejune kid stuff milk-fed naive pubescent puerile teenage undeveloped unfledged unripe unsophisticated unweaned vernal
Antonyms
STRONG
experienced mature old older shrinking withering
WEAK
adult grown-up
ADJECTIVE
minor
Synonyms
STRONGEST
inconsequential lesser negligible petty secondary slight trivial unimportant
STRONG
accessory dependent dinky inferior junior light low minus subordinate subsidiary trifling
WEAK
below the mark bush-league casual inconsiderable paltry piddling second-string small-fry small-time smaller tacky two-bit
Antonyms
STRONGEST
consequential important major significant superior useful worthwhile
STRONG
chief strong
WEAK
greater
ADJECTIVE
minor-league
Synonyms
WEAK
accessory below the mark bush-league casual dependent dinky inconsequential inconsiderable inferior junior lesser light low lower minus negligible paltry petty piddling second-string secondary slight small small-fry small-time smaller subaltern subordinate subsidiary tacky trifling trivial two-bit unimportant

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.

Two years after his wife passed, he started dating a woman 15 years younger than him.

From MarketWatch • Apr. 13, 2026

I was told of girls as young as Year 6 tasked with caring for younger siblings, and missing lessons as a result.

From BBC • Apr. 12, 2026

A CNN/SSRS poll found that just 33% of Republican and Republican-leaning voters younger than 45 say they’re extremely motivated to vote in the midterms, compared to a majority of older Republicans.

From Salon • Apr. 12, 2026

Older and younger boomers started buying homes under very different conditions, just as older and younger millennials did.

From The Wall Street Journal • Apr. 11, 2026

Hearing that story might seem like fantasy fiction to the uninformed, but she knew that her moshom had seen them when he was younger.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith