one-track

[ wuhn-trak ]

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.

one-track

adjective

1. informal.
   obsessed with one idea, subject, etc
2. having or consisting of a single track

Word History and Origins

Origin of one-track¹

First recorded in 1925–30

Example Sentences

Once his one-track mind got to functioning on a certain objective it seldom digressed.

From Project Gutenberg

"Thank God that thing had a one-track mind, and was concentrating on the spider," said Jim, with a rather humorless laugh.

From Project Gutenberg

You certainly see the other side of the famous one-track mind of Japan over here, as well as of other things.

From Project Gutenberg

We parted with mutual benedictions, and John Maxwell and I walked away, toward the one-track road leading to the old mansion.

From Project Gutenberg

I must have journeyed on at least three small, one-track railroads after leaving the Pullman at some junction or other.

From Project Gutenberg