Wiktionary
third-person plural
n. 1 (context grammar English): The form of a verb used (in English and other languages) with plural nouns and with the pronoun ''they'' (or its equivalents in other languages). 2 The pronoun ''they'' (or its equivalents in other languages).
Usage examples of "third-person plural".
If you use them, readers won't think you're showing off as they would if you were to write in some bizarre narrative voice, like second-person imperative mood or third-person plural future tense.
Blankenhagen was too absorbed to realize he had abandoned the formal third-person plural and was addressing me with the familiar form.