Getting expelled from a school is a step beyond suspension. It means that you are asked to leave and never come back. In other words, you have been kicked out.

More benignly, expel can mean discharge: if you're having a water-fountain spitting-fight, you are hoping to expel water from your mouth in the direction of your opponent before they can get you. But don't do this; you won't get expelled from school, but the germs in your body will be expelled all over your friends.

Primary Meanings of expel

eliminate (a substance)
force to leave or move out
Full Definitions of expel

v eliminate (a substance)

discharge, eject, exhaust, release
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cough out, cough up, expectorate, spit out, spit up
discharge (phlegm or sputum) from the lungs and out of the mouth
free of obstruction by blowing air through
terminate a pregnancy by undergoing an abortion
produce and discharge eggs
egest, eliminate, excrete, pass
eliminate from the body
bleed, hemorrhage, shed blood
lose blood from one's body
eruct, spew, spew out
eject or send out in large quantities, also metaphorical
fester, maturate, suppurate
ripen and generate pus
breathe, emit, pass off
expel (gases or odors)
belch, bubble, burp, eruct
expel gas from the stomach
force out
emit or cause to move with force of effort
emanate, exhale, give forth
give out (breath or an odor)
exhale abruptly, as when one has a chest cold or congestion
suffer a miscarriage
flow, menstruate
undergo menstruation
perspire, sudate, sweat
excrete perspiration through the pores in the skin
exudate, exude, ooze, ooze out, transude
release (a liquid) in drops or small quantities
pass after the manner of urine
empty, evacuate, void
excrete or discharge from the body
ca-ca, crap, defecate, make, stool, take a crap
have a bowel movement
ptyalise, ptyalize, spew, spit, spue
expel or eject (saliva or phlegm or sputum) from the mouth
spit out, splutter, sputter
spit up in an explosive manner
send out real or metaphoric rays
form, produce, or emit bubbles

v force to leave or move out

“He was expelled from his native country”
kick out, throw out
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boot out, chuck out, eject, exclude, turf out, turn out
put out or expel from a place
deport, exile, expatriate
expel from a country
debar, suspend
bar temporarily; from school, office, etc.
deliver, deport, extradite
hand over to the authorities of another country
banish, bar, relegate
expel, as if by official decree
ban, banish, blackball, cast out, ostracise, ostracize, shun
expel from a community or group
ban, banish
ban from a place of residence, as for punishment
evict, force out
expel from one's property or force to move out by a legal process
expel or eject without recourse to legal process
show the door
ask to leave
eject from the premises
exorcise, exorcize
expel through adjuration or prayers
rusticate, send down
suspend temporarily from college or university, in England
send someone back to his homeland against his will, as of refugees
send to the country
stand in the way of
Type of:
displace, move
cause to move or shift into a new position or place, both in a concrete and in an abstract sense

v cause to flee

rout, rout out
Type of:
defeat, get the better of, overcome
win a victory over

v remove from a position or office

boot out, drum out, kick out, oust, throw out
oust or exclude from a group or membership by decree
depose, force out
force to leave (an office)
bring down, overthrow, overturn, subvert
cause the downfall of; of rulers
Type of:
remove from a position or an office

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