On second thought Meaning in English
expression
Definition
Used when you change your mind after reconsidering something, often right after making a decision or statement.
Usage & Nuances
Informal and common in conversation. Used to quickly correct oneself or signal a changed decision. Usually at the beginning of a sentence: 'On second thought, I'll stay home.' Sometimes written as 'on second thoughts' in UK English.
Example Sentences
On second thought, I don't want any dessert.
basic
Let's leave at six. On second thought, let's go at seven.
basic
I was going to buy it, but on second thought I changed my mind.
basic
On second thought, maybe we should call ahead and make a reservation.
natural
Thanks, but on second thought, I think I'll pass on the offer.
natural
Let’s get coffee—oh, on second thought, let’s try that new tea place instead.
natural