past participle of take a back seat

simple past tense of take a back seat

(idiomatic) To adopt a position of noninvolvement. / (idiomatic) To be second to someone or something; to be less important or have a lower priority.

A person sitting (typically) in the back seat of a car issuing (unsolicited and usually unwanted) instructions to the driver.

plural of back-seat driver

A rumble seat in an automobile.

plural of available seat-mile

A car safety restraint designed for infants and young children.

(idiomatic) In suspense; waiting eagerly or anxiously for some resolution.

(aviation) A measure of an airline flight's passenger carrying capacity. It is equal to the number of seats onboard an aircraft multiplied by the distance flown in miles. Seats that are not available for sale to revenue-paying passengers (e.g., seats reserved for crew rest, etc.) are excluded from this calculation.