What does "drift off" mean?

Used other than figuratively or idiomatically: see drift, off.

What is a synonym for "drift off"?

Common synonyms include: daydreaming, decrease concentration, dope off, doze, doze off, doze off.

verb

verb ·Rare ·Advanced level

Verb

1
Used other than figuratively or idiomatically: see drift, off. intransitive
2
change from a waking to a sleeping state wordnet
3
To fall asleep slowly. idiomatic, intransitive
"He went to sleep, lying there under a wing of his plane, and presently Bland himself drifted off into dreams."
4
To lose concentration. idiomatic, intransitive

"He went to sleep, lying there under a wing of his plane, and presently Bland himself drifted off into dreams."