v. 1
To free of a debt, claim, obligation, responsibility, accusation, etc.; to absolve; to acquit; to forgive; to clear.
v. 2
To relieve of an office or employment; to send away from service; to dismiss.
n. 1
The act of expelling or letting go. The act of releasing an inpatient from hospital.
care transition after discharge
n. 2
The act of expelling or letting go. The act of releasing a member of the armed forces from service.
career transition after discharge

Related words

Phrases: electric discharge corona discharge blue discharge dishonorable discharge nasal discharge vaginal discharge

Forms

Plural: discharges → firings, dismissals, removals, terminations…
Past participle: discharged
e.g. discharged → fired, removed, unloaded, dismissed…

Discharge or Do?

To discharge is to do what is given in charge, expected, or required; as, to discharge the duties of the office.

J. C. Fernald, English Synonyms and Antonyms (1914)

Use in printed books, per decade from 1850 to 2019.

2 letters: do¹
3 letters: can¹, arc¹
4 letters: free¹, fire², shot¹, send¹, drop¹, void¹, sack¹, vent¹, emit²
5 letters: clear¹, shoot¹, empty², burst¹, spark¹, expel², mucus², eject²
6 letters: report², remove², settle², firing², unload², acquit²
7 letters: release², perform², payment², deliver³, removal³, observe², dismiss², exhaust², relieve², discard², absolve²
8 letters: complete², emission³, evacuate⁴, liberate³, ejection³, emptying³, effluent³, effusion
9 letters: clearance², dismissal³, terminate³, expulsion³, unloading³, expelling³, exonerate⁴
10 letters: liberation⁴
11 letters: performance³, termination⁴

The small number after each word is its number of syllables (fire² = 2 syllables).