English Reference
adjective · noun

knowing

adj. · n.
US /ˈnoʊɪŋ/ UK /nˈəʊɪŋ/ know·ing UK spelling knowings

  1. 01 B2 Upper Intermediate

    adj.showing that you know something secret or private, often with a look or a smile.

    adj.suggestive of private knowledge or a shared secret; often used to describe facial expressions or gestures.

    Simple

    She gave me a knowing look when I mentioned I was working late.

    In context

    The two colleagues exchanged a knowing glance across the boardroom, silently acknowledging the irony of the CEO's latest proposal.

  2. 02 C1 Advanced Formal

    adj.done on purpose and with full understanding of what will happen.

    adj.done with full awareness or deliberation; intentional.

    Simple

    The company was accused of a knowing violation of the safety rules.

    In context

    The court determined that the defendant had acted with knowing disregard for the potential consequences of his financial decisions.

    accidentalunwitting
  3. 03 C2 Proficiency AcademicFormal

    n.the act or state of having information or understanding.

    n.the state of possessing knowledge or the act of cognition.

    Simple

    There is a great difference between knowing a fact and truly understanding it.

    In context

    The philosopher explored the distinction between the mere gathering of data and the deeper state of knowing.

Knowing how, and where, to get a discount can make a real difference.

The Guardian· 15 Aug 2026

I’d advise watching it without knowing anything else first.

The Guardian· 15 Aug 2026

From know + -ing.

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

This entry
Level B2 · Upper Intermediate
Frequency Common
Updated