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Words, grammatical forms and meanings linked to the ontology.

kryptonite en · NOUN

Pronunciation

  • /ˈkɹɪptənaɪt/
  • (Southern-England) audio

Etymology

From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Formed from Superman's home planet Krypton + -ite, which was named after the chemical element krypton.

Meanings

  1. (figuratively, uncountable, usually) The one weakness of something or someone that is otherwise invulnerable.
    • But of course porn is kryptonite to many investors. 2025 May 24, “OnlyFans has a shot at ditching its NSFW image”, in FT Weekend (Lex. section), London: The Financial Times Ltd., →ISSN, →OCLC, page 20:
    • So while recording or sampling a Charlie Manson track […] makes for shock rock kudos aplenty, a devotion to Hubbard is kryptonite for credibility. 2006 March 25, Jonathan Leggett, “Cult musicians”, in The Guardian, archived from the original on 26 Feb 2025:
    • We all have our own kryptonite or kryptonites, so don't tempt yourself by listening to so-called friends who are just demonic tools being used to bring you under. 2016, Marlon Orlando Cole, Orphans: Nature's Beloved, page 93:
    • The terrific seven-grain bread here is the kryptonite of restaurant reviewers: two mini-loaves and you are incapacitated. 1991 October 25, Bryan Miller, “Restaurants: John Clancy's”, in The New York Times, archived from the original on 12 Feb 2021:
  2. (slang, uncountable, usually) Crack cocaine.

Forms

SpellingFeaturesLabelsSource
kryptonites Number=Plur lexicographic

Synonyms

glass jaw · weakness · soft spot · kryptonite · weak spot · soft underbelly · weakness · Achilles heel · Achilles heel · vulnerability · chink in the armor

Translations (27)

mr क्रिप्टोनाइट (weakness) · sh kriptonit (weakness) · it kryptonite (weakness) · fr kryptonite (weakness) · nl kryptoniet (weakness) · cy cryptonit (weakness) · el κρυπτονίτης (weakness) · ru криптони́т (weakness) · ka კრიპტონიტი (weakness) · ro kriptonită (weakness) · pt kryptonita (weakness) · af kriptoniet (weakness) · de wunder Punkt (weakness) · da kryptonit (weakness) · es kryptonita (weakness) · fi kryptoniitti (weakness) · ja クリプトナイト (weakness) · de Achillesferse (weakness) · de Kryptonit (weakness) · eo kriptonito (weakness) · sh криптонит (weakness) · cmn 克星 (weakness) · es criptonita (weakness) · ca kriptonita (weakness) · sk kryptonit (weakness) · sv kryptonit (weakness) · de Schwachstelle (weakness)

wikipedia: kryptonite · wikipedia: Krypton (comics) · wikipedia: Superman

kryptonite en · VERB

Pronunciation

  • /ˈkɹɪptənaɪt/
  • (Southern-England) audio

Etymology

From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Formed from Superman's home planet Krypton + -ite, which was named after the chemical element krypton.

Meanings

  1. (transitive) To expose to, or attack with, kryptonite.
    • And even those two were pretty puny, like Superman after he had been kryptonited. 1998, Phillip Gwynne, Deadly Unna?, Melbourne: Penguin, page 173:
  2. (figuratively, transitive) To destroy, wreck, or ruin; to affect adversely, as Superman is affected by kryptonite.

Forms

SpellingFeaturesLabelsSource
kryptonited Tense=Past, VerbForm=Part lexicographic
kryptonited Tense=Past lexicographic
kryptonites Number=Sing, Person=3, Tense=Pres lexicographic
kryptoniting Tense=Pres, VerbForm=Part lexicographic

wikipedia: kryptonite · wikipedia: Krypton (comics) · wikipedia: Superman