ENGLISH
REFERENCE

how come

idiom
Meaning

Why; why is it; for what reason or purpose; due to what cause?


Origin

first recorded 17th c. disputed origin

Earliest use in its modern form can also be found in The Trial of Titus Oates, referring to a trial that took place in 1685: :* 1730, F. Hargrave, A Complete Collection of State-Trials and Proceedings for High-Treason, and Other Crimes and Misdemeanours; from the Reign of King Richard II. to the End of the Reign of King George I, volume 4: Mrs. A. Ireland It was on Saturday Morning, as I remember, the 3rd of August, the Saturday after St. Ignatius's Day. L. C. J. How come you remember so particularly, that it was then? In this text, it also co-occurs with forms such as "How come she to lie there?" and "How come you to remember those Days of the Month?". Compare West Frisian hoe kom (“how come”), Dutch hoe komt het (“how comes it; why”), Afrikaans hoekom (“how come; why”). According to Partridge's slang dictionary: US English, 1848, probably from older forms such as "How comes it that... ?" or "How does it come that... ?" and "How did it come to be like this?"

Examples
SIMPLE

How come you are not eating your lunch?

CONTEXTUAL

The store is closed today, so how come you thought we could go shopping?

COMPLEX

Given the sudden change in the weather, I wonder how come the organizers decided to hold the event outdoors.

Anchors to
Related idioms8entries
  1. 01

    appetite comes with eating

    Starting an activity increases one's desire to continue it.

  2. 02

    as they come

    As it is possible to be.

  3. 03

    blow to kingdom come

    To totally destroy (something); to annihilate or wipe out (something).

  4. 04

    burn that bridge when one comes to it

    To anticipate dealing with a problem or situation either by acting in a manner that alienates or cuts ties with others, or merely with the expectation of encountering trouble.

  5. 05

    Christmas come early

    Something very delightful or fortunate that is happening or has happened, especially earlier than expected.

  6. 06

    come a cropper

    To suffer some accident or misfortune; to fail.

  7. 07

    come a long way

    To make significant progress.

  8. 08

    come again

    A polite formula used when one has not heard or understood what has been said, or to indicate surprise.

Last updated April 17, 2026