Shamus

//ˈʃɑːməs// name, noun, slang

name, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A private detective; originally, a policeman or police detective. US, slang

    "“That's what you're here for. Didn't your aunt tell you? She wants you to follow Wilbert Cream and Phyllis about everywhere and see that he doesn't get a chance of proposing.” “You mean that I'm to be a sort of private eye or shamus, tailing them up? I don't like it,” I said dubiously."

  2. 2
    someone who can be employed as a detective to collect information and assist in criminal investigations wordnet
Proper Noun
  1. 1
    Alternative spelling of Seamus. alt-of, alternative

Example

More examples

"“That's what you're here for. Didn't your aunt tell you? She wants you to follow Wilbert Cream and Phyllis about everywhere and see that he doesn't get a chance of proposing.” “You mean that I'm to be a sort of private eye or shamus, tailing them up? I don't like it,” I said dubiously."

Etymology

Said to be from the Irish name Séamus, on account of many American police officers being of Irish descent.

Related phrases

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