キープto keep (e.g. the lead), to maintain (a standard, situation, etc.)

Common

1. する-verb, Transitive verb, Noun

   1. 1.

      to keep (e.g. the lead), to maintain (a standard, situation, etc.)

   2. 2.

      to put aside (for someone), to save (e.g. a seat)

   3. 3.

      to keep (the ball; in soccer, rugby, etc.), to retain possession

      Sports

   4. 4.

      to hold service (in tennis)

      Sports

2. Noun

   1. 5.

      person one is dating while hoping for someone better

      Colloquial