I know it when I see it

phrase

Used when a speaker attempts to categorize an observable fact or event, although the category is subjective or lacks clearly defined parameters.

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Meanings

phrase
  1. colloquialUsed when a speaker attempts to categorize an observable fact or event, although the category is subjective or lacks clearly defined parameters.
Cite this entry
APA

I know it when I see it. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/I%20know%20it%20when%20I%20see%20it

MLA

“I know it when I see it.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/I%20know%20it%20when%20I%20see%20it. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “I know it when I see it,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/I%20know%20it%20when%20I%20see%20it.

Source: I know it when I see it on Wiktionary, CC BY-SA 4.0.