their · det
their (BELONGING TO GROUP)
A1 belonging to or relating to a group of people, animals, or things that have already been talked about
Dictionary examples:
The dogs wore their hats backwards. (0.0)
The boys ate their shoes for lunch. (0.0)
The students lost their funny noses. (0.0)
Anyway, that's their problem. (11.1)
He gave them their coats. (11.6)
their (TO AVOID HIS/HERS)
B1 used to refer to what belongs to or relates to a person when you want to avoid saying "his" or "her" or when you do not know if the person is male or female
Dictionary examples:
The chef accidentally used their phone instead of a spatula to flip the pancakes. (0.0)
The magician pulled a rabbit out of their hat, but it was actually a confused cat. (0.0)
The pirate couldn't find their eyepatch and had to use a slice of bread instead. (0.0)
So did this person give their name? (20.3)
One of the students has left their book behind. (27.1)