OVERSET Meaning of OVERSET in English verb 1.Synonyms: overturn 1, knock over, overthrow, tip (over), topple, turn over, upset 2.Synonyms: overthrow 2, overturn, topple, tumble, unhorse Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003