Five-o

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The police. uncountable

    "Five-oh caught me, now I'm going to the mountains / Said good-bye to my girl, my lawyer and accountants"

  2. 2
    Alternative letter-case form of five-o. alt-of, uncountable

Synonyms

All synonyms
old bill'ralescobblercopcopperecilop

Example

More examples

"Five-oh caught me, now I'm going to the mountains / Said good-bye to my girl, my lawyer and accountants"

Etymology

From the police procedural television series Hawaii Five-O (first aired in 1968), so named because it is set in Hawaii, which is the 50th U.S. state.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.