Brother-in-arms
n.kind, resilientwarm
What it means
A loyal companion who has faced military service or severe hardship alongside another.
Reach for it when honoring solidarity formed through shared danger
He welcomed his former brother-in-arms with a long quiet embrace.
Choose between these
6- everyday
old service friend
plain language should center lasting friendship after service
not when The phrase does not convey the intensity of danger faced together.
- professional
cooperation toward the same goal matters more than closeness
not when An ally may be strategic, temporary, or institution-level.
- professional
fellow soldier
shared military role is the only verified fact
not when Fellow soldier does not imply friendship or shared danger.
- formal
comrade
shared struggle and solidarity define the relationship
not when Comrade carries political associations and need not involve military service.
- formal
comrade-in-arms
the military bond should be stated precisely
not when The phrase is nearly equivalent and offers no warmer personal nuance.
- literary
battle companion
personal companionship during combat is central
not when The phrase is dramatic and unsuitable for nonmilitary hardship.
Said against
3- enemy
- adversary
- deserter
It naturally appears in
3- former brother-in-arms
A former brother-in-arms spoke at the memorial.
- fallen brother-in-arms
They planted an oak for each fallen brother-in-arms.
- loyal brother-in-arms
His loyal brother-in-arms kept writing throughout the recovery.
Where this comes from
Brother-in-arms is gendered and military. Comrade-in-arms or a plain description may be more inclusive where identity matters.
- Wiktionary, English noun sense: comrade in shared combat opens in a new tab · retrieved 2026-07-26
The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.