1. Suffix, Ichidan verb

   1.

   to be unable to; to find difficult (unpleasant, awkward, painful) to do; to serve two or more functions or roles simultaneously

2. Ichidan verb, Transitive verb

   2.

   to serve two or more functions or roles simultaneously; to contain (or combine) two or more features

3. 3.

   to work in two or more jobs simultaneously (positions, etc.); to do alongside

Example sentences

• ちょっと大きいけど、この封筒でいいや。大は小を兼ねるって言うし。

  It might be a bit big but this envelope will do just fine. It's better to be too big than too small.