entrained; entraining; entrains
Synonyms of entrainnext

transitive verb

1
: to draw along with or after oneself
2
: to draw in and transport (something, such as solid particles or gas) by the flow of a fluid
3
: to incorporate (air bubbles) into concrete
4
: to determine or modify the phase or period of
circadian rhythms entrained by a light cycle
entrainer noun

entrain

2 of 2

verb (2)

entrained; entraining; entrains

transitive verb

: to put aboard a train

intransitive verb

: to go aboard a train

Examples of entrain in a Sentence

Recent Examples on the Web
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Verb
Our desire to feel good (and not bad) entrains us to fulfill our bodies’ needs. Literary Hub, 25 Nov. 2025 To keep dirt particles kicked up by the beater brush entrained in the airstream, the air needed to move fast. IEEE Spectrum, 15 Oct. 2025 If a bunch of grandfather clocks are put in room together, for example, the biggest amplitude signal will entrain the others. Ginny Whitelaw, Forbes.com, 1 Sep. 2025 In the inner solar system—this side of Jupiter—the proximity of the sun causes both free-floating water and water entrained on bodies like asteroids to flash into vapor. Jeffrey Kluger, TIME, 30 Sep. 2024 See All Example Sentences for entrain

Word History

Etymology

Verb (1)

Middle French entrainer, from en- + trainer to draw, drag — more at train entry 2

First Known Use

Verb (1)

1568, in the meaning defined at sense 1

Verb (2)

1878, in the meaning defined at transitive sense

Time Traveler
The first known use of entrain was in 1568

Browse Nearby Words

Cite this Entry

“Entrain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/entrain. Accessed 7 Jul. 2026.

Kids Definition

entrain

verb
en·​train
in-ˈtrān
: to put or go aboard a train

Medical Definition

entrain

transitive verb
: to determine or modify the phase or period of
circadian rhythms entrained by a light cycle

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