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

WATCH NOW: Don't Laugh At This Similar Sounding Slip-up

WATCH NOW: Don't Laugh At This Similar Sounding Slip-up

Malapropisms are slip-ups we all make ... sometimes you read one word and you just say another. This woman laughs at her unfortunate slip-up in the workplace. We relate!


noun, plural phe·nom·e·na [fi-nom-uh-nuh] /fɪˈnɒm ə nə/ or especially for 3, phe·nom·e·nons.

a fact, occurrence, or circumstance observed or observable: to study the phenomena of nature.
something that is impressive or extraordinary.
a remarkable or exceptional person; prodigy; wonder.
  1. an appearance or immediate object of awareness in experience.
  2. Kantianism. a thing as it appears to and is constructed by the mind, as distinguished from a noumenon, or thing-in-itself.

Origin of phenomenon

1595–1605; < Late Latin phaenomenon < Greek phainómenon appearance, noun use of neuter of phainómenos, present participle of phaínesthai to appear, passive of phaínein to show


phenomena phenomenal phenomenon (see usage note at the current entry)

usage note for phenomenon

As with other plurals of Latin or Greek origin, like media and criteria, there is a tendency to use the plural phenomena as a singular ( This phenomena will not be seen again ), but such use occurs infrequently in edited writing. The plural form phenomenas, though occasionally seen, has even less currency. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for phenomenon

British Dictionary definitions for phenomenon

/ (fɪˈnɒmɪnən) /

noun plural -ena (-ɪnə) or -enons

anything that can be perceived as an occurrence or fact by the senses
any remarkable occurrence or person
  1. the object of perception, experience, etc
  2. (in the writings of Kant) a thing as it appears and is interpreted in perception and reflection, as distinguished from its real nature as a thing-in-itselfCompare noumenon

Word Origin for phenomenon

C16: via Late Latin from Greek phainomenon, from phainesthai to appear, from phainein to show

usage for phenomenon

Although phenomena is often treated as if it were singular, correct usage is to employ phenomenon with a singular construction and phenomena with a plural: that is an interesting phenomenon (not phenomena); several new phenomena were recorded in his notes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for phenomenon

[ fĭ-nŏmə-nŏn′, -nən ]


An occurrence, circumstance, or fact that is perceptible by the senses, especially one in relation to a disease.
An unusual, significant, or unaccountable fact or occurrence; a marvel.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.