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fizzle

noun

  1. failed detonation of a nuclear device
L320682 on Wikidata ↗

verb

  1. to fail or end weakly
L331721 on Wikidata ↗

Wiktionary

Pronunciation: /ˈfɪzəl/

noun

Etymology: Attested in English since 1525-35. From earlier fysel (“to fart”). Related to fīsa (“to fart”). Compare with Swedish fisa (“to fart (silently)”). See also feist. It could also come from old Norse: "fise" simply means "blow," like in "blow in the wind." A weather-exposed community in Rogaland, Norway, is called Fister. (In modern language, the verb "fisle" has the same 3 meanings as in English, see below.)

  1. A spluttering or hissing sound.
  2. Failure of an exploding nuclear bomb to meet its expected yield during testing.
  3. An abortive effort; a flop or dud.
  4. A state of agitation or worry.

verb

Etymology: Attested in English since 1525-35. From earlier fysel (“to fart”). Related to fīsa (“to fart”). Compare with Swedish fisa (“to fart (silently)”). See also feist. It could also come from old Norse: "fise" simply means "blow," like in "blow in the wind." A weather-exposed community in Rogaland, Norway, is called Fister. (In modern language, the verb "fisle" has the same 3 meanings as in English, see below.)

  1. To sputter or hiss.

    The soda fizzled for several minutes after it was poured.

    It is the easest thing, sir, to be done, / As plain as fizzling.

  2. To decay or die off to nothing; to burn out; to end less successfully than previously hoped.

    The entire project fizzled after the founder quit.

    I had a suspicion that Stephanie's native ingenuity rather fizzled there. You know, Stephanie dear, there is a difference, it seems, between Bombay and Californian pearls.

  3. To fail to generate the expected yield when exploded during testing.

    The shot fizzled, generating only 200 tons rather than the 30 kilotons they were aiming for.