Meaning – to stay silent, to stop yourself from saying something, to prevent yourself from commenting on something. We typically use this expression when we have to keep or prevent ourselves from saying something that would cause trouble in some way or hurt someone’s feelings.
Idiom In Context – I had to bite my tongue about the mess he made in the kitchen when he cooked our supper.
Idioms with a synonymous meaning – to hold your tongue, to bide your tongue (antiquated)
QUOTES WITH ‘BITE YOUR TONGUE’
The best time for you to hold your tongue is the time you feel you must say something or bust.
If it’s very painful for you to criticize your friends – you’re safe in doing it. But if you take the slightest pleasure in it, that’s the time to hold your tongue. Alice Duer Miller
When I was younger, I was terrified to express anger because it would often kick-start a horrible reaction in the men in my life. So I bit my tongue. I was left to painstakingly deal with the aftermath of my avoidance later in life, in therapy or through the lyrics of my songs. Alanis Morissette