focussed

/ˈfoʊkəst/
adjective
  1. Giving clear attention or effort to one particular thing; not distracted.
    • The team was focussed on winning the championship game.
    • She remained focussed on her studies despite the noise around her.
    • A focussed mind helps you complete tasks more efficiently.
verb
  1. Past tense and past participle of 'focus': to direct one's attention or effort toward something.
    • The teacher focussed the students' attention on the whiteboard.
    • They focussed all their energy on finishing the project on time.
    • He focussed the camera on the distant mountain.