one-track

[ wuhn-trak ]
/ ˈwʌnˌtræk /

adjective

having only one track.
unable or unwilling to cope with more than one idea, action, etc., at a time; narrow: a one-track mind.

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Origin of one-track

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for one-track

British Dictionary definitions for one-track

one-track

adjective

informal obsessed with one idea, subject, etc
having or consisting of a single track
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012