muster out
C1 formal separable both
In simple words
To officially leave or be released from the army or military.
Literal meaning: To gather (muster) people together to send them out — the procedural military sense is a specialised extension.
Meanings
1 C1 formal
To formally discharge or release someone from military service.
"After four years of service, he was mustered out with an honourable discharge."
Grammar: separable
Usage notes
Primarily American English, used in historical contexts (especially the Civil War and WWII). Largely replaced in modern usage by 'discharge.' May appear in historical fiction, military memoirs, or journalism. The opposite is 'muster in.'
Commonly used with
troops soldiers veterans regiment service war
Forms
Base
muster out
I/you/we/they
3rd person
musters out
he/she/it
Past simple
mustered out
yesterday
Past participle
mustered out
have + pp
-ing form
mustering out
continuous
Understand "muster out" better
Try:
Real video examples
Video examples are being collected. Check back soon.
Synonyms
Want to master this phrasal verb?
Practice "muster out" on Looplines