1. Noun, Suru verb, Transitive verb, Intransitive verb

   1.

   concentration (on a task); focusing one's attention

2. 2.

   concentration (of population, buildings, power, etc.); centralization; convergence; focus (of a debate, questions, etc.)

3. Noun

   3.

   within a collection of works

Example sentences

• 集中してないと。

  I need to stay focus.

• 仕事に集中しろ。

  Keep focused on your work.