kryptonite
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kryptonite
- /ˈkɹɪptənaɪt/
Where it comes from
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.
noun kryptonites
-
The one weakness of something or someone that is otherwise invulnerable.
The terrific seven-grain bread here is the kryptonite of restaurant reviewers: two mini-loaves and you are incapacitated.
Similar: Achilles heel, weakness, chink in the armor, glass jaw, kryptonite, soft spot, soft underbelly, vulnerability, weak spot
- Crack cocaine.
verb kryptonites · kryptoniting · kryptonited
- To expose to, or attack with, kryptonite. And even those two were pretty puny, like Superman after he had been kryptonited.
- To destroy, wreck, or ruin; to affect adversely, as Superman is affected by kryptonite.
Translations
Every language
noun weakness
| Español | kryptonita, criptonita |
|---|---|
| 日本語 | クリプトナイト kuriputonaito |
| 中文 | 克星 kèxīng |
| Português | kryptonita |
| Français | kryptonite |
| Deutsch | Kryptonit, Achillesferse, wunder Punkt, Schwachstelle |
| Italiano | kryptonite |
| Ελληνικά | κρυπτονίτης kryptonítis |
| Română | kriptonită |
| Русский | криптони́т kriptonít |
Talk about this word "kryptonite." Wiktionary, via Micwyn, micwyn.com/word/kryptonite. Accessed 6 Nov. 2026. kryptonite. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/kryptonite "kryptonite." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/kryptonite.Cite this
@misc{kryptonite_2026,
title = {kryptonite},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/kryptonite},
urldate = {2026-11-06}
}
