English Reference
Idiom idiom

pin down


To identify something (e.g. a decision or plan) clearly or specifically.

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


SIMPLE

I need to pin down a date for the meeting.

CONTEXTUAL

The manager asked us to pin down exactly how much the project would cost.

COMPLEX

Despite weeks of discussion, the committee struggled to pin down a clear policy that would satisfy all parties involved.


Related idioms5entries
  1. 01

    for two pins

    Readily, with only the slightest encouragement.

  2. 02

    have one's ears pinned back

    To be strongly scolded, reprimanded or admonished.

  3. 03

    one could hear a pin drop

    Extremely quiet, for example, as during a lull in a normally bustling place or scene, or at a sudden dramatic or tense moment.

  4. 04

    pin money

    A relatively small sum of cash kept in one's personal possession for routine expenses or incidental purchases; an amount of money which is not particularly significant.

  5. 05

    row of pins

    An insignificant thing, a whit.

Last updated August 10, 2026