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their

their

 
pronunciation:
theIr
features:
Homophone Note
part of speech: adjective
definition 1: a possessive form of they; of or belonging to those ones already mentioned.
Did you go to their wedding?They gave me their address.
definition 2: (informal) used to mean "his or her," especially when the person's gender is unknown or unimportant.
Somebody forgot their umbrella in the classroom.
Homophone Note
The words their and there, and the contraction they're ("they are"), all sound alike but have different meanings.