without a second thought

without a second thought

1. Without considering the consequences; without thinking about it at all. If you dare Dead to do something, he'll do it without a second thought, so please be careful what you say to him.
2. Without reservations or regret. He's able to lose a couple hundred bucks without a second thought, but I never gamble because I hate losing money.
See also: second, thought, without

without a second ˈthought

immediately; without stopping to think about something further: He dived in after her without a second thought.
See also: second, thought, without