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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.

At the journal I work for, it’s not uncommon to spend a month emailing a dozen or more people asking for a review.

From Slate • May 3, 2026

Many of these amoebae thrive in warm conditions, so as water temperatures increase, they are likely to expand into new regions where they were once uncommon.

From Science Daily • May 2, 2026

It is certainly not uncommon for a defense secretary to relieve generals and other military leaders.

From Salon • May 1, 2026

Car payments in excess of $1,000 are no longer uncommon and can stretch out more than eight years.

From The Wall Street Journal • Apr. 26, 2026

Although such incidents are apparently uncommon, medical authorities advise caution in use of such compounds.

From "Silent Spring" by Rachel Carson