Learn English idioms with meanings and examples

🌎Region: International 📊Difficulty Level:beginner

knock on wood

Said to avoid “jinxing” yourself after mentioning good luck or hoping something continues; a superstitious way to prevent bad luck.

From a widespread superstition that touching/knocking wood brings protection or luck—often linked to pre-Christian beliefs about spirits in trees or later Christian associations with the Cross; used after tempting fate.

A casual, superstitious aside said after mentioning good fortune or hopes, to avoid jinxing it. Often accompanied by actually tapping a wooden surface.

  • I haven’t gotten sick all winter, knock on wood.
  • The car’s been running smoothly lately—knock on wood it stays that way.
  • Knock on wood, I think we’ll finish the project on time.
  • I’ve never lost my wallet, knock on wood.
  • She said business has been steady, and then she knocked on wood to be safe.

Usually an imperative phrase used parenthetically: “Knock on wood,” or “(knock on wood)” after a statement. Also “touch wood” (esp. UK). Often no article; sometimes “knock on the wood” sounds odd.

  • touch wood
  • fingers crossed (related but different)
  • jinx it
  • tempt fate