second thought

or sec·ond-thought


noun

Often second thoughts. reservation about a previous action, position, decision, judgment, or the like: He had second thoughts about his decision.

Idioms for second thought

    on second thought, after reconsideration: On second thought, I don't think I'll go.

Origin of second thought

First recorded in 1625–35

British Dictionary definitions for second thought

second thought

noun

(usually plural) a revised opinion or idea on a matter already considered