if you've seen one, you've seen them all

phrase

Used to suggest that all items or experiences within a specific category are so similar that seeing or observing just one is sufficient to understand the rest.

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Meanings

phrase

alternative seen one, seen them all

  1. informalUsed to suggest that all items or experiences within a specific category are so similar that seeing or observing just one is sufficient to understand the rest.
Cite this entry
APA

if you've seen one, you've seen them all. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/if%20you've%20seen%20one%2C%20you've%20seen%20them%20all

MLA

“if you've seen one, you've seen them all.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/if%20you've%20seen%20one%2C%20you've%20seen%20them%20all. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “if you've seen one, you've seen them all,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/if%20you've%20seen%20one%2C%20you've%20seen%20them%20all.

Source: if you've seen one, you've seen them all on Wiktionary, CC BY-SA 4.0.