Word.ws English Dictionary

fifty-one fifty

fifty-one fifty is the alternative form of 5150.

Meaning of 5150

Verb

5150 (third-person singular simple present 5150s or 5150's, present participle 5150ing or 5150'ing, simple past and past participle 5150ed or 5150'd or 5150'ed)

  1. (US, slang, transitive) To involuntarily confine someone for a mental illness that poses a risk to themselves or others.
    • And they're all, "He's over there against the tree, he's not talking to us, he's not saying anything and he has a history of being a psychiatric patient and so we're 5150ing him."1998, Timothy R. Tangherlini, Talking trauma: paramedics and their stories, page 117

See all 3 meanings of 5150

Forms of fifty-one fifty

Verb
third-person singular presentfifty-one fifties
present participlefifty-one fiftying
past participlefifty-one fiftied
pastfifty-one fiftied
Adjective
comparativemore fifty-one fifty
superlativemost fifty-one fifty

Questions about fifty-one fifty

What is fifty-one fifty the alternative form of?
Fifty-one fifty is the alternative form of 5150.

Words near fifty-one fifty in the dictionary

  1. fifty-ninth
  2. fifty-ninths
  3. fifty-one
  4. fifty-one fiftied
  5. fifty-one fifties
  6. fifty-one fifty
  7. fifty-one fiftying
  8. fifty-oneth
  9. fifty-second
  10. fifty-seconds
  11. fifty-secondth

Source and license

Adapted from Wiktionary: fifty-one fifty (page history and authors); 5150 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “fifty-one fifty.” Word.ws, https://word.ws/fifty-one_fifty. Based on Wiktionary, CC BY-SA 4.0.