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Prosperity & Luck

Crossing Your Fingers

Also called fingers crossed, keep your fingers crossed

Crossing the middle finger over the index finger is a gesture to wish for luck or ward off bad luck. Its origin is unknown; the popular stories about early Christians or pagan wishing are unproven, and the gesture is only well documented from the 18th and 19th centuries.

TraditionEnglish-speaking folk custom
RegionBritain and North America
EraRecorded from the late 1700s; common from the 1800s
Moon◐ Any moon
DayAny
Element—
Difficulty●○○ Simple
TimeA moment

Tonight's moon is read when the page loads.

The working

  1. Make a clear wish or think of the outcome you hope for.
  2. Cross the middle finger of one hand over the index finger.
  3. Hold the gesture while you wait for the result, or say 'fingers crossed' to wish someone else luck.
  4. To protect yourself after a bad omen, such as walking under a ladder, the old English advice was to keep your fingers crossed until the danger passes (one version says until you see a dog).
  5. Know the second meaning: children cross fingers behind their backs to cancel a promise or excuse a fib, so use it openly when wishing luck.
  6. Abroad, check local meaning first. In Vietnam the gesture can be rude, and in German-speaking countries people press their thumbs for luck instead.

Take care: Harmless, but meanings vary; in a few countries the gesture can be read as rude or as admitting a lie.

Versions across time and place

i

Two-person wishing cross

Claimed pre-Christian European custom · Undated

Popular histories say two people once crossed their index fingers together to make a wish, with the well-wisher supporting the wish-maker. This is a widely repeated theory with no early evidence behind it.

Recorded in: Charles Panati, Panati's Extraordinary Origins of Everyday Things (Harper & Row, 1989)
ii

Daumen drücken (pressing thumbs)

German, Scandinavian and Slavic custom · Traditional

In Germany, Sweden, Poland and nearby countries people wish luck by tucking the thumbs inside closed fists and squeezing. Crossed fingers there are more often a sign of lying.

Recorded in: Crossed fingers entry, Wikipedia
iii

The fib cancel

Children's lore in Britain and America · 19th century to present

Children commonly cross their fingers behind their backs to make a promise or statement 'not count'. Folklorists record it as playground custom; any link to Christian oaths is speculation.

Recorded in: Crossed fingers entry, Wikipedia

History

Most explanations of crossed fingers point to the shape of the Christian cross, or to a secret sign used by persecuted Christians, but none of these stories has early written evidence. A related claim is that pre-Christian Europeans crossed fingers with a friend to anchor a wish. Both appear mostly in 20th-century books of origins, not in old sources. Honest answer: no one knows where the gesture began.

What can be dated is its use in English folk belief. Reports from the late 18th and 19th centuries tie crossed fingers to warding off bad luck, especially after walking under a ladder. Over the 20th century the phrase 'fingers crossed' became an everyday way to say 'I hope so', and the gesture now has its own emoji. Its double life as a children's sign for cancelling a promise is also long established.

Sources

  1. What's the origin of keeping your fingers crossed? · The Straight Dope (Cecil Adams)
  2. Crossed fingers · Wikipedia contributors, 2026
  3. The Penguin Guide to the Superstitions of Britain and Ireland · Steve Roud, 2003

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