one-track mind
That said to be possessed by someone who is obsessed with something or only able to think of one thing.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“He has a one-track mind and only talks about football.”
“Stop asking about the project budget; you have a one-track mind today.”
“Her one-track mind regarding the upcoming promotion prevented her from noticing the growing tension among her colleagues.”
- 01
bear in mind
To hold (something) in the memory; to remember; also, to be mindful of or pay attention to (something); to consider; to note.
- 02
blow someone's mind
To astonish someone; to flabbergast someone.
- 03
bored out of one's mind
Extremely bored.
- 04
cast one's mind back
To try to remember a particular time or event; to think about something in the past.
- 05
change one's mind
To decide differently than one had decided before.
- 06
change someone's mind
To convince someone to make a choice or develop a preference differing from their previous one.
- 07
close one's mind
To refuse to understand things.
- 08
come to mind
To appear in one's thoughts.
Last updated August 10, 2026