Adapting oneself to the requirements of the moment; responding flexibly and appropriately to changing circumstances.
臨機応変に対応できる人は職場で重宝される。
People who can adapt flexibly are valued in the workplace.
予想外のトラブルが起きたが、彼は臨機応変に対処した。
An unexpected problem occurred, but he handled it flexibly.
計画は大切だが、臨機応変に変更する柔軟さも必要だ。
Plans are important, but you also need the flexibility to change them according to circumstances.