Bible Dictionaries
They

Webster's Dictionary

(obj.) The plural of he, she, or it. They is never used adjectively, but always as a pronoun proper, and sometimes refers to persons without an antecedent expressed.

Bibliography Information
Webster, Noah. Entry for 'They'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/they.html. 1828.