Dunsel

//ˈdʌnsəl// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Something (especially part of a vessel) that is useless, or superfluous or unnecessary.

    "If I'm not part of the crew and earn my keep, then I'm a dunsel. And you'll not have a dunsel aboard long […]"

  2. 2
    A captain of a vessel who has little or no practical use. broadly

    "McCoy: “Who the blazes is ‘Captain Dunsel’?” / Spock: “Dunsel, Doctor, is a term used by midshipmen at Starfleet Academy. It refers to a part which serves no useful purpose.”"

Example

More examples

"If I'm not part of the crew and earn my keep, then I'm a dunsel. And you'll not have a dunsel aboard long […]"

Etymology

Possible coinage as a variation of English dunnage as dun + -sel with the suffix indicating singulative or diminutive. Earliest so-far documented use was in a Star Trek episode, "The Ultimate Computer". Was coined by a writer for the original "Star Trek" series (Episode name: The Ultimate Computer.").

Related phrases

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