thon /ðʌn/pronoun 2/ðɒn/ adjective 1forms 2 pronoun2 •(nonstandard, rare) they (singular). Gender-neutral third-person singular subject pronoun, coordinate with gendered pronouns he and she.Every student should acquaint thonself with some method by which thon can positively correlate the facts of thons knowledge. — 1895 •(nonstandard, rare) them (singular). Gender-neutral third-person singular object pronoun, coordinate with gendered pronouns him and her.If Mr. or Mrs. A. comes to the courthouse on Monday next I will be there to meet thon. — 1884 thon /ðɒn/ adjective1 •Yon. formsthonself · thons