# knock up

> English word · Verb · IPA /nɒk ʌp/

## Definitions
1. To put together, fabricate, or assemble, particularly if done hastily or temporarily.
2. To awaken (someone) as by knocking at the door; rouse; call; summon; also, to go door-to-door on election day to persuade a candidate's supporters to go to the polling station and vote. See also knocker up.
3. To exhaust; wear out; tire out; to fatigue until unable to do more.
4. To become exhausted or worn out; to fail of strength; to become wearied, as with labor; to give out.
5. To impregnate, especially out of wedlock. See knocked up.
6. To gently hit the ball back and forth before a tennis match, as practice or warm-up, and to gauge the state of the playing surface, lighting, etc. See knock-up.
7. To make even at the edges, or to shape into book form.
8. To straighten up a stack of paper.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/knock-up