- a form of the possessive case of plural they used as an attributive adjective, before a noun: their home;their rights as citizens;their departure for Rome.
- a form of the possessive case of singular they used as an attributive adjective, before a noun:
- (used to refer to a generic or unspecified person previously mentioned, about to be mentioned, or present in the immediate context): Someone left their book on the table.A parent should read to their child.
- (used to refer to a specific or known person previously mentioned, about to be mentioned, or present in the immediate context): I’m glad my teacher last year had high expectations for their students.
- (used to refer to a nonbinary or gender-nonconforming person previously mentioned, about to be mentioned, or present in the immediate context): My cousin Sam is bad at math, but their other grades are good.
- of, belonging to, or associated in some way with them
- belonging to or associated in some way with people in general not including the speaker or people addressed
- belonging to or associated in some way with an indefinite antecedent such as one, whoever, or anybody