no-brainerとは 意味・読み方・使い方

語源

From no +‎ brain +‎ -er.

発音

名詞

no-brainer (plural no-brainers)

1. (informal) An easy or obvious conclusion, decision, solution, task, etc.; something requiring little or no thought.

   If the newer version performs as well for half the cost, the decision is a no-brainer.

   • 2019 November 20, Graeme Pickering, “Plans breathing new life into Fife”, in Rail, page 49:

     "Babcock [an engineering services company with a facility at Rosyth] has new contracts for new frigates there, so opening up the opportunities for rail running in is a no-brainer."

参考

• rocket science
• brain surgery