0 knowledge about a subject, situation, etc. or about how something works: --
1 a positive relationship between two people or groups in which they feel sympathy for each other: --
3 An understanding person who has the ability to know how other people are feeling, and can forgive them if they do something wrong: --
5 knowledge of a particular thing: --
Fortunately, my girlfriend is very understanding.
I try very hard to be understanding.
I hadn't expected her to be so understanding.
Look, it's not Tom's fault - you could be a little more understanding!
She's very understanding - you feel you can really open your heart to her.
Academics sitting in ivory towers have no understanding of what is important for ordinary people.
You need to demonstrate to the examiners that you have more than a literal understanding of the text.
Some understanding of grammar is fundamental to learning a language.