second thoughtnoun [ C ]
uk/ˌsek.ənd ˈθɔːt/us/ˌsek.ənd ˈθɑːt/without a second thought
If you do something without a second thought, you do it without first considering if you should do it or not:
She'll spend a hundred dollars on a dress without a second thought.
have second thoughts
to change your opinion about something or start to doubt it:
You're not having second thoughts about getting married, are you?
on second thoughts UK US on second thought
used when you want to change a decision you have made:
Can I have a cup of coffee, please? - actually, on second thoughts, I'll have a beer.
Thesaurus: synonyms and related words
Doing things without fear or proper thought
- bravado
- daredevil
- desperado
- devil-may-care
- foolhardy
- impetuous
- impulsive
- impulsiveness
- lemming
- like lemmings idiom
- precipitation
- rash
- reckless
- snap
- thought
- throw
- throw caution to the wind/winds idiom
- tomorrow
- trigger-happy
See more results »
You can also find related words, phrases, and synonyms in the topics:
Changing your mind