phenomenon

[fi-nom-uh-non, -nuhn] / fɪˈnɒm əˌnɒn, -nən /

NOUN

rare occurrence; wonder

Synonyms

STRONGEST

anomaly aspect circumstance episode event experience fact incident miracle paradox reality sensation

STRONG

abnormality actuality appearance curiosity exception happening marvel nonpareil peculiarity portent prodigy sight spectacle stunner uniqueness

WEAK

one for the books rara avis something else

Antonyms

STRONGEST

usualness

STRONG

normality

WEAK

regularity

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.

That phenomenon stretched to 11 days as of last Thursday.

From MarketWatch • Apr. 6, 2026

Toward the end of the flyby, the astronauts will experience a rare phenomenon: a solar eclipse.

From Barron's • Apr. 5, 2026

Is the administration not aware of this phenomenon?

From Salon • Apr. 4, 2026

The team turned to the Talbot effect, a classical optics phenomenon first described in 1836 by Henry Fox Talbot.

From Science Daily • Apr. 1, 2026

The fox froze, wary eyes fixed upon this strange new phenomenon.

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling