second-person plural noun3 •The form of a verb used with the pronouns you (plural), y'all, you guys, etc., or their equivalents in other languages."Are" is the second-person plural of the verb "to be". •The pronouns you (plural), y'all, you guys, youse, yinz, etc., or their equivalents in other languages. •The possessive adjectives your (addressing a plural audience), y'all's, you guys', etc., or their equivalents in other languages. formssecond-person plurals