nod off

N n

Definitions of nod off words

verb without object nod off to make a slight, quick downward bending forward of the head, as in assent, greeting, or command. 1
verb without object nod off to let the head fall slightly forward with a sudden, involuntary movement when sleepy. 1
verb without object nod off to doze, especially in a sitting position: The speaker was so boring that half the audience was nodding. 1
verb without object nod off to become careless, inattentive, or listless; make an error or mistake through lack of attention. 1
verb without object nod off (of trees, flowers, plumes, etc.) to droop, bend, or incline with a swaying motion. 1
verb with object nod off to bend (the head) in a short, quick downward movement, as of assent or greeting. 1

before 1350

One of the 20% oldest English words

1350-1400; Middle English nodde, of uncertain origin

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 88% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

This diagram is provided by Google Ngram Viewer

bunking — a built-in platform bed, as on a ship.
catnapping — a short, light nap or doze.
conk out — If something such as a machine or a vehicle conks out, it stops working or breaks down.
doze off — to sleep lightly or fitfully.
doze — to sleep lightly or fitfully.