Know full well

usgb
phrase

To be completely aware or certain about something, often while pretending or acting as if you do not.

I know full well that my actions have consequences.
Visual representation of "know full well" - To be completely aware or certain about something, often while pretending or acting as if you do not.

Often appears as...

  • you know full well
  • i know full well

Usage tips

Idiomatic

Definition 1 of 2
Visual representation of "know full well"
LampPro Tip 1/3

Feigned Ignorance

Used when someone pretends not to know something they actually do.

Illustration for Feigned Ignorance
You know full well why I was upset, stop pretending.
LampPro Tip 2/3

Emphasizing Certainty

Emphasizes strong certainty about something, leaving no doubt.

Illustration for Emphasizing Certainty
I know full well we made the right choice.
LampPro Tip 3/3

Sarcasm or Reproach

Can express sarcasm or reproach when the speaker thinks the listener is pretending ignorance.

Illustration for Sarcasm or Reproach
Oh, you know full well what you did wrong!
Visual representation of the word "Know full well"

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