ἀπισχυρίζομαι

English (LSJ)

   A oppose firmly, give a flat denial, πρός τινα Th.1.140, cf. Plu.Per.31; πρὸς τὰς ἡδονάς Id.Agis 4,al.; hold out against, πρὸς δίψος Them.Or.11.149c.    II set oneself to affirm, maintain a thing, ib.28.342c, Eust.1278.53, etc.    III cling firmly, of the λεπάς, Sch.Ar.Pl.1096.