kryptonite
From WikiWord, the free dictionary
/ˈkɹɪptənaɪt/
English
Definitions
noun
- The one weakness of something or someone that is otherwise invulnerable, an Achilles heel.
Related words
Synonyms
killersteeltrumpadamanttoughiejuggernautsuperweaponsuperpowerkeys to the kingdombane of someone's lifeovermatchstrengthmaster keysupermantrojanwonderweapon