The knee is the joint in the middle of the leg that helps us to bend our legs. The plural is ‘knees’.


FUN FACT – The ‘k’ in the word ‘knee’ is silent which means we don’t pronounce it when speaking. It’s actually pronounced ‘nee’. We have many silent letters in English. You can learn all about them here.

knee idioms list

Let’s look at some popular body idioms that contain the word ‘knee’. If you want to be the bee’s knees at English, take a look at the idioms below.

  • get down on one knee
    meaning – a marriage proposal
    example – I’m going to take her to the top of the Eifel Tower then get down on one knee.
  • go weak at the knees
    meaning – emotion/exhaustion makes you lose strength and feel unstable
    example – I went weak at the knees after having my belly button pierced. I nearly fainted.
  • have a knees up
    meaning – have a party
    example – I’m thinking about having a knees up at the weekend. I want to have fun and dance.
  • knee-high to a grasshopper
    meaning – very small/young I haven’t seen
    example – Tara since she was knee-high to a grasshopper.
  • the bee’s knees
    meaning – the best
    example – I’ve treated myself to a new computer, it’s the bee’s knees.

knee idioms list with pictures

Here’s some real life picture examples.

idiomatic expressions with body parts - knee
get down on one knee meaning
knee idioms list - go weak at the knees
knee idioms and expressions in English - have a knees up
knee idioms and expressions in English - knee-high to a grasshopper
knee idioms list - the bee's knees meaning

You can download a table of ‘knee’ idioms and expressions below.

If you’ve enjoyed this page, don’t forget to check out some more body idioms by clicking on the links below.