FSM

F4S1M3

Initialism of fluorescent speckle microscopy.

Less commonScrabble 8

Meanings

nounFSM (countable and uncountable, plural FSMs)

plural FSMs

  1. abbreviationinitialismuncountablebiologyInitialism of fluorescent speckle microscopy.
  2. abbreviationcountableinitialismcomputingInitialism of finite-state machine.
  3. InternetabbreviationinitialismuncountabledatingInitialism of female seeking male.
  4. abbreviationcountableinitialismuncountablecommunicationsInitialism of field strength meter.
nounFSM pl (plural only)
  1. UKabbreviationinitialismpluralplural onlyeducationInitialism of free school meals.
proper noun
  1. abbreviationinitialismInitialism of Federated States of Micronesia.
  2. abbreviationinitialismInitialism of Flying Spaghetti Monster.

    FSM was concocted in June by Bobby Henderson, a recent college graduate with a degree in physics.

    2005 October 2, Jeff Jacoby, “The timeless truth of creation”, in Boston Globe, archived from the original on 16 Feb 2012
    1 more example

    Henderson did not respond to a request for comment. His website tracks meetings of FSM clubs (members dress up as pirates) and sells trinkets and bumper stickers.

    2007 November 16, Justin Pope, “Pasta theology: Scholars mull Spaghetti Monster”, in USA Today, archived from the original on 25 Jul 2015
  3. abbreviationinitialismInitialism of Free Speech Movement.
phrase
  1. abbreviationinitialismInitialism of female seeking male or femme seeking masc.

    Near-synonym: F4M

Synonyms & antonyms

Rhymes & wordplay

Anagrams

Cite this entry
APA

FSM. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/FSM

MLA

“FSM.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/FSM. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “FSM,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/FSM.

Source: FSM on Wiktionary, CC BY-SA 4.0.