| Main Entry: | one-track mind |
| Part of Speech: | n |
| Definition: | a focus on one issue or topic, to the exclusion of all else; an obsession with one thing |
| Example: | She just has a one-track mind, wanting to move on. |
| Etymology: | 1938; fr. railways |
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| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
one-track mind definition
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one-track mind
A mind limited to only one line of thought or action, as in All you think about is sex
you have a one-track mind. This expression, alluding to a train that runs only on one track or in one direction, was first recorded in 1928.