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Definitions

uncommon

[uhn-kom-uhn] / ʌnˈkɒm ən /
ADJECTIVE
very different
Synonyms
STRONGEST
abnormal bizarre egregious exceptional extraordinary infrequent noteworthy odd peculiar rare remarkable singular startling strange surprising unique unusual
WEAK
aberrant anomalous arcane curious eccentric exotic extreme fantastic few freakish irregular novel original out of the ordinary out of the way outre outré prodigious scarce seldom sporadic unaccustomed unconventional uncustomary unfamiliar unheard of unorthodox weird
Antonyms
STRONGEST
common commonplace customary familiar frequent like nondescript normal ordinary regular similar standard typical usual
WEAK
bad imperfect poor
ADJECTIVE
wonderful, exceptional
Synonyms
STRONGEST
extraordinary noteworthy rare remarkable singular unimaginable unique unparalleled unprecedented unthinkable
WEAK
distinctive incomparable inimitable notable outstanding special superior unwonted
Antonyms
STRONGEST
believable common commonplace normal ordinary regular typical unremarkable usual
WEAK
bad familiar imperfect poor

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.

“What has also been uncommon is for these moves to cap off rallies to all-time highs. That only occurred in late 1999 and early 2000. Gulp.”

From Barron's • Apr. 23, 2026

And a catastrophic draft-day fall is not uncommon.

From MarketWatch • Apr. 23, 2026

It isn’t uncommon for Abel to be in different states within the same day.

From The Wall Street Journal • Apr. 18, 2026

The team displayed uncommon grit as well, going to overtime an NHL-record 33 times.

From Los Angeles Times • Apr. 17, 2026

It was more bad news, though, as the parties exchanged threats, and the second human displayed an uncommon knowledge of fairy affairs.

From "Artemis Fowl" by Eoin Colfer