this ( P ) Pronunciation Key (ths) pron. pl. these (thz) Used to refer to the person or thing present, nearby, or just mentioned: This is my cat. These are my tools. Used to refer to what is about to be said: Now don't laugh when you hear this. Used to refer to the present event, action, or time: said he'd be back before this. Used to indicate the nearer or the more immediate one: This is mine and that is yours.