Meaning

(figuratively) The one weakness of something or someone that is otherwise invulnerable..

Definitions by Sense

1. (figuratively) The one weakness of something or someone that is otherwise invulnerable.
2. (slang) Crack cocaine.
3. To expose to, or attack with, kryptonite.
4. (figuratively) To destroy, wreck, or ruin; to affect adversely, as Superman is affected by kryptonite.

Example Sentences

The terrific seven-grain bread here is the kryptonite of restaurant reviewers: two mini-loaves and you are incapacitated.

So while recording or sampling a Charlie Manson track […] makes for shock rock kudos aplenty, a devotion to Hubbard is kryptonite for credibility.

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.

But of course porn is kryptonite to many investors.

And even those two were pretty puny, like Superman after he had been kryptonited.

Word Forms

• kryptonites
• kryptoniting
• kryptonited

Synonyms for kryptonite

Related Words

When Should You Use Kryptonite?

Use kryptonite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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