The definition of a brigadier is a British army officer who ranks below a major general and above a colonel.
An example of a brigadier is an army leader who brings a group of soldiers into a battle.
- Informal brigadier general
- a British military officer ranking above a colonel and below a major general
Origin of brigadierFrench ; from brigade
A brigadier general.
Origin of brigadierFrench, from brigade, brigade; see brigade.