Definition of second thought
- began to have second thoughts
After she agreed to lend him the money, she had second thoughts.
She was having second thoughts about getting married.
He hardly gave it a second thought.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'second thought.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a feeling of guilt, doubt, worry, etc., that you have after you have decided to do something or after something has happened
What made you want to look up second thought? Please tell us where you read or heard it (including the quote, if possible).