直す
なおす (naosu)
to fix, to repair, to correct
verb (godan)
Example
壊れた時計を直してもらいました。
こわれたとけいをなおしてもらいました。
Kowareta tokei wo naoshite moraimashita.
I had the broken clock repaired.
Very useful verb that can mean to fix physical objects, correct mistakes, or improve situations. Often used with てもらう to express having something repaired by someone else.