Gloss
All idioms
B2idiomdecisionsIELTS-friendly

have second thoughts

USUK

to start to doubt a decision you have made and consider changing it

Usually 'have second thoughts about something'. British speakers also say 'on second thoughts' when changing their mind mid-sentence.

In context

  • I've booked the course, but now I'm having second thoughts about the cost.

  • He had second thoughts about moving to Ho Chi Minh City and stayed in Hue.

Common mistake

Incorrect: I'm having a second thought about the job.

Correct: I'm having second thoughts about the job.

More idioms about decisions