unsung hero
noun
A person (especially a man) whose heroism or achievements are unacknowledged or little-known; also in extended use.
Origin
Mid 19th century; earliest use found in Merry's Museum & Parley's Magazine.
- retrogressional
- retrogressionist
- retrogressive
- retrogressivism
- retroguard
- retro-ignition
- retro-impulse
- retroject
- retrojection
- retrolental fibroplasia
- retromanoeuvre
- retro-migration
- retromingency
- retromingent
- retromorphosis
- retronym
- retrooperative
- retropannage
- retroperitoneal
- retroperitoneum
- retropharyngeal
- retroposition
- retroposon
- retropropulsion
- retropulsion