1 C1 idiomatic informal
To fall asleep, usually quickly or unintentionally.
"He conked off on the sofa before the first episode had even finished."
inseparable
conk off
C1 informal inseparable intransitive
Chiefly British informal: to fall asleep, especially suddenly.
In plain English
To fall asleep, usually quickly or when you didn't plan to.
What does "conk off" mean?
One main meaning — here's how to use it.
Usage tip
A rare informal British expression. Much less common than 'conk out' or 'nod off'. ESL learners are unlikely to need to produce this phrase actively, but may encounter it in British informal speech or writing.
Words that pair with "conk off"
Natural word combinations native speakers use most often.
sofa chair immediately quickly
How to conjugate "conk off"
The five tense forms you'll use most often.
Base
conk off
I/you/we/they
3rd person
conks off
he/she/it
Past simple
conked off
yesterday
Past participle
conked off
have + pp
-ing form
conking off
continuous
Hear "conk off" in the wild
Listen to native speakers using "conk off" in real YouTube videos — click a clip to watch it on Looplines.
Keep exploring
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