one-track

A train travels on a one-track railway through the mountains.

Definition

Adjective 1. Having only one track (literal): Refers to a railway line with a single track, allowing travel in only one direction at a time. 2. Limited in scope or interest (figurative): Describes a mind, personality, or conversation that is narrowly focused on a single subject or idea, often to the exclusion of others. This is the most common modern usage.

Usage Examples

• Literal:
  • The railway line was a one-track system, causing delays when trains had to wait for each other. (A railway with a single track for both directions.)
• Figurative:
  • He has a one-track mind when it comes to work; he talks about nothing else. (His thinking is limited to a single topic.)
  • Her one-track conversation about politics bored everyone at the party. (Her discussion focused solely on politics without variety.)

Advanced Usage

• "One-track mind": A fixed idiom meaning someone is obsessively focused on one subject, often implying a lack of flexibility or imagination.
  • She accused him of having a one-track mind because he only wanted to discuss sports. (He was unable to think about other topics.)
• "One-track thinking": A similar phrase used to describe a rigid, narrow approach to problem-solving.
  • The team's one-track thinking prevented them from considering alternative solutions. (Their limited perspective hindered creativity.)

Variants and Related Words

• One-track-minded (adj): Having a mind that is exclusively focused on one thing.
  • He was so one-track-minded about his diet that he refused to eat anything else. (He was obsessively narrow in his thinking.)
• Single-track (adj): A synonym for "one-track", used both literally (single railway track) and figuratively (narrow focus).
  • The single-track road was difficult for two cars to pass. (A road with only one lane.)

Synonyms

• Narrow-minded: unwilling to consider other ideas or perspectives.
• Limited: restricted in scope or range.
• Obsessive: characterized by persistent, excessive focus on one thing.

Related Idioms

• "Tunnel vision": A similar idiom meaning a narrow focus on one aspect, ignoring the bigger picture.
  • He has tunnel vision when it comes to his career; he ignores his family and health. (He focuses only on one goal.)
• "Blinkered": Describes someone who is unwilling to consider other viewpoints, like a horse with blinkers.
  • Her blinkered approach to the problem led to poor decisions. (She was unable to see alternatives.)