One-track mind and Single-mindedness

Single-mindedness and one-track mind are semantically related. in mind set on one idea topic. In some cases you can use "Single-mindedness" instead a noun phrase "One-track mind".

Single-mindedness noun - Characterized by one unified purpose.

One-track mind and single-mindedness are semantically related. Sometimes you can replace phrase "One-track mind" with "Single-mindedness", this phrases are similar.