i Register
In some senses, backseater is marked as informal. Watch for register when choosing this word.
backseater
UK /ˈbækˌsitɚ/ US /ˈbækˌsitɚ/
noun 3
Definitions
noun
1
A navigator or other crewman who accompanies the pilot of an aircraft.
2
Synonym of back-seat gamer.
3
Someone who occupies a seat near the back of something.
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