one-track

American  

[wuhn-trak] / ˈwʌnˌtræk /

adjective

1. having only one track.

2. unable or unwilling to cope with more than one idea, action, etc., at a time; narrow.

   a one-track mind.

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one-track British  

adjective

1. informal obsessed with one idea, subject, etc

2. having or consisting of a single track

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Etymology

Origin of one-track

First recorded in 1925–30

Example Sentences

One track of contracts will be reserved for the most capable rockets — those able to hoist heavy payloads to every orbit the Pentagon wants to plant a satellite.

From Washington Post • Mar. 8, 2023

One track, however, is a new addition to the set.

From BBC • Oct. 8, 2022

The Circuit of the Americas is a Formula One track where the long straights and tight corners reward the pure horsepower of the Honda engines.

From Seattle Times • Apr. 8, 2022

One track, “The Opener,” referred to a fan who suggested they hire a “real bass player.”

From New York Times • Mar. 23, 2022

One track has been cleared, but the going is still bad.

From The New York Times Current History of the European War, Vol 1, Issue 4, January 23, 1915 by Various