Definition
Acknowledgment that a message was received and understood. 'Roger' is NATO phonetic for 'R' (received), not a name, though many assume otherwise.
Example Usage
Squad leader: 'Move to position Bravo.' Soldier: 'Roger that.'
Origin
NATO phonetic alphabet and radio protocol, standardized mid-20th century
Fun Fact
Not named after a person—'Roger' represents 'R' for 'received' in the phonetic alphabet.
Source: NATO and military radio protocols
Related Terms
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See “Roger that” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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