single-minded
4.The single- minded daily discipline necessary in ballet was foreign to him.
7.He is single-minded in his ambition to be a regular starter for the Reds.
8.Single-minded, inflexible hedgehogs lock into one strategy and stick with it through thick and thin.
9.she was firmly resolved to be a doctor; single-minded in his determination to stop smoking.
10.A person who is single-minded or accomplished in scientific pursuits but is felt to be socially inept.

