1. too scared to do something; a loss of nerve or confidence; second thoughts;

1. I was going to try bungee jumping, but I got cold feet.

2. Joel wanted to ask Mr. Lee for a pay raise, but when Joel saw him, he got cold feet and just said, “Good morning.”

3. The soldier got cold feet when the pilot told him it was time to parachute out of the airplane.

4. The bridegroom got cold feet on the day of the wedding.

5. Sally said I should try skydiving, but I had cold feet.