A curious dictionary of everyday English

Every odd phrase has
a story to tell.

Discover what peculiar British and American expressions mean, where they came from, and how people actually use them.

1,963 curious expressions
1,647 source-backed entries
3,553 research references
Plain-English meanings.
Folklore labelled honestly.

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Raison d'être

The core purpose or justification for someone's or something's existence; the reason a person, group, or institution is felt to matter. It is a…

Meaning & origin

A red-letter day

A memorably happy, important or significant day; a personal or public highlight worth marking. The phrase began as a literal label for saints' days…

Meaning & origin

Boondocks

Informal, chiefly American term for a remote, thinly settled, rough or rural area, almost always used with 'the'. It began as soldiers' slang for…

Meaning & origin

Apple of my eye

The person, or occasionally the thing, that someone cherishes above all others. Most often said affectionately of a child or romantic partner, and one…

Meaning & origin

A heart-to-heart

An honest, intimate conversation in which both people lay their feelings open rather than hiding them. Usually singular - have a heart-to-heart - it…

Meaning & origin

Language has legends. Evidence matters.

Colourful story or documented history?

Phrase origins are full of irresistible myths. We separate what historical sources can show from what remains disputed, and link the references behind researched entries.

How we research phrases