simple past tense and past participle of discharge
"The soldier was discharged from the army after his service ended."
In plain English: To discharge means to release someone from duty, send them away after they have finished their job, or let something out of an enclosed space.
"The doctor has finally discharged me from the hospital after my surgery."
having lost your job
"After his termination, he was discharged from the company and had to start looking for new employment immediately."