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to expel

to expel

26 5.0
Push out a substance, for example gas from a body or container
  • verb
  • /ɪkˈspɛl/
: expulsar
  • Wait a few seconds to ensure complete sample flow, then press the plunger to the second stop to expel any remaining liquid.
  • expel gas
  • expel into the air
  • expel from the body

Well, I couldn't expel the carbon dioxide and breathe it out.

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Examples

  • Gamay drew air deep into her lungs and let it out, expelling the dirt and dust.

    Fiction book (1999)
  • One major mode of transmission is through these droplets that are expelled when people sneeze or cough.

  • White holes expel matter out.

  • They're supposed to expel dust from the system, which is a cool idea.

  • Your lungs want to expel it out right through your breath like when you exhale.

  • When someone with influenza coughs or sneezes, virus is expelled in droplet form.

    Academic text (2012)
  • The valves are designed to expel gas when the pressure is too high.

  • He pressed the nozzle to expel the remaining contents of the canister.

  • The plant expels excess water through its leaves to maintain balance.

Synonyms

to release
vsto expel
168 2.7

To allow a liquid, gas, or energy to flow out

is about actively forcing a substance out rather than passive escape
to suck out
vsto expel
117 4.5

Pull something out of a place by using air to draw it in

is about forcing a substance out generally without implying a pulling method
to spit out
vsto expel
90 2.3

To push food or drink out of your mouth

is broader expulsion from any container or body rather than mouth action
to purge
vsto expel
62 6.3

To remove unwanted substances, things, or people by cleaning

is focused on physical discharge of substances rather than cleansing or purging purpose
to flush out
vsto expel
59 4.5

Force unwanted people or things out of a place, often using water

is the simple physical act of discharging a substance without implying cleansing
to pump out
vsto expel
39 3.2

To remove liquid with a pump or make many things quickly

means forced removal without specifying a mechanical pumping method
to squeeze out
vsto expel
25 3.2

To press something to get liquid out

covers forced discharge generally rather than the specific pressing technique
to eject
vsto expel
24 4.1

Push a liquid or other substance out of something

is the general act of forcing a substance out of a container or body
to force out
vsto expel
22 4.2

To push something out with effort or pressure

is the broader physical forcing out, not tied to human effort specifically
to spew out
vsto expel
19 5.9

To force out large amounts of something like smoke or words

is a more general physical forcing out, not necessarily sudden or abundant
to pass
vsto expel
  • NSFW
17 4.4

To let waste or a small object leave the body

is broader removal of substances from containers or bodies, not only bodily waste
to discharge
vsto expel
12 4.4

Take people or things out of a vehicle by unloading

is specifically about actively forcing a substance out by pressure or action
to excrete
vsto expel
  • NSFW
10 7.0

To remove waste from the body through urine, sweat or breath

is a neutral physical forcing out not limited to bodily waste processes
to exude
vsto expel
3 6.5

Give off liquid slowly, often in drops

is about active, often quicker discharge rather than slow steady seepage
to evacuate
vsto expel
  • Specialized
2 6.9

To remove air or gas from a container to make a vacuum

describes forcing a substance out generally rather than specifically making a vacuum
to press out
vsto expel
2 4.1

To get liquid from something by squeezing it

is the general act of forcing a substance out, not the pressing method
to liberate
vsto expel
  • Specialized
2 5.8

Release a gas or energy during a chemical reaction

is the plain physical act of driving out substances, not only chemical release
to eliminate
vsto expel
  • Specialized
2 4.3

Remove waste or harmful substances from the body

is the active discharge of any substance not limited to natural elimination
to exhaust
vsto expel
  • Specialized
1 4.8

To remove gas or steam from a machine

is the broader physical act of driving out any substance from somewhere
to outgas
vsto expel
  • Specialized
1 7.9

To release gas from a material when it is heated or in a vacuum

is the general act of driving out any substance not only gas from materials
to effuse
vsto expel
1 9.1

To come out freely, as a liquid, gas, or light

is the controlled forcing out of a substance rather than free abundant flow

Antonyms

315 3.0

To take in things such as liquid, light, or information

19 3.0

To hold something inside so it does not escape

How Strong

to spew
102 5.1
to eject
47 4.2
to expel
26 5.0
to release
168 2.7
to emit
128 4.4
to leak
191 1.0
to seep
74 2.7

Surface Forms

expel infinitive
expelled past
expelled past participle
expelling present participle
expels third person singular

Morphology

expel = ex + pel

The sense 'force out (a substance)' aligns with ex- (out) + pel (drive), but 'pel' is not a standalone English word, so the morphological relation is only partially transparent to learners.

Etymology

Expel comes from the Latin parts ex- 'out' and pellere 'to drive', the same root found in propel. So to expel a substance is to 'drive out' or push a gas or liquid out of a body or container.