EXPEL

exhaust, discharge, expel, eject, release

(verb) eliminate (a substance); “combustion products are exhausted in the engine”; “the plant releases a gas”

rout, rout out, expel

(verb) cause to flee; “rout out the fighters from their caves”

oust, throw out, drum out, boot out, kick out, expel

(verb) remove from a position or office; “The chairman was ousted after he misappropriated funds”

expel, throw out, kick out

(verb) force to leave or move out; “He was expelled from his native country”

Source: WordNet® 3.1

Etymology

Verb

expel (third-person singular simple present expels, present participle expelling, simple past and past participle expelled)

To eject or erupt.

(obsolete) To fire (a bullet, arrow etc.).

(transitive) To remove from membership.

Synonyms: drive away, drive out, force out

(transitive) To deport.

Synonyms

• fordrive, turf out

Antonyms

• impel

Source: Wiktionary

Ex*pel", v. t. [imp. & p. p. Expelled, p. pr. & vb. n.. Expelling.] Etym: [L. expellere, expulsum; ex out + pellere to drive: cf.F. expeller. See Pulse a beat.]

1. To drive or force out from that within which anything is contained, inclosed, or situated; to eject; as to expel air from a bellows. Did not ye . . . expel me out of my father's house Judg. Xi. 7.

2. To drive away from one's country; to banish. Forewasted all their land, and them expelled. Spenser. . He shell expel them from before you . . . and ye shell possess their land. Josh. xxiii. 5.

3. To cut off from further connection with an institution of learning, a society, and the like; as, to expel a student or member.

4. To keep out, off, or away; to exclude. "To expel the winter's flaw." Shak.

5. To discharge; to shoot. [Obs.] Then he another and another [shaft] did expel. Spenser. .

Syn.

– To banish; exile; eject; drive out. See Banish.

Source: Webster’s Unabridged Dictionary 1913 Edition