knock on wood Meaning in the Cambridge English Dictionary Cambridge dictionaries logo
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Meaning of “knock on wood” in the English Dictionary

"knock on wood" in British English

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knock on wood

US UK touch wood informal
said in order to avoid bad luck, either when you mention good luck that you have had in the past or when you mention hopes you have for the future: The deal will be agreed on Wednesday, knock on wood.
(Definition of knock on wood from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"knock on wood" in American English

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knock on wood

I hope my good luck will continue: I never have trouble with my car, knock on wood. Note: Used when you think there could be difficulties.
(Definition of knock on wood from the Cambridge Academic Content Dictionary © Cambridge University Press)
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Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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