without a second thought

without a second thought

without stopping to consider whether something is wise or right She doesn't worry about money - she'll spend a hundred bucks on a dress without a second thought.
See also: second, thought, without

without a second thought

if you do something without a second thought, you do it without thinking about whether or not you should She doesn't worry about money - she'll spend a hundred pounds on a dress without a second thought.
See play second fiddle
See also: second, thought, without