English Reference
Idiom idiom

have second thoughts


To change one's opinion, or be uneasy about a previous decision.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

I'm having second thoughts about buying this car.

CONTEXTUAL

She signed the lease, but later had second thoughts when she saw the noisy neighbors.

COMPLEX

Standing at the altar, he suddenly had second thoughts, wondering if he was truly ready for a lifetime commitment.


Related idioms8entries
  1. 01

    collect one's thoughts

    To become mentally composed, especially after being distressed, surprised, or disoriented; to become calm or organized in one's emotional state or thinking, as in preparation for a conversation, speech, decision, etc.

  2. 02

    food for thought

    Information or knowledge that is worthy of contemplation.

  3. 03

    hold that thought

    To pause in a conversation for an interruption.

  4. 04

    just a second

    A short period of time, typically anywhere from a few seconds to several minutes or more.

  5. 05

    not leave one's thoughts

    To remain in one's mind for a long duration.

  6. 06

    park that thought

    Alternative form of hold that thought.

  7. 07

    penny for your thoughts

    Used to inquire into the thoughts and feelings of another, especially when the person appears pensive or conflicted.

  8. 08

    play second fiddle

    To play a subsidiary or subordinate role to someone or something else.

Last updated August 10, 2026