ἀντίφρασις
ἀντίφρᾰσις, εως, ἡ,(ἀντιφράζω) Rhet. and Gramm.,
A). antiphrasis, i.e. the use of words of good sense in place of those of a contrary sense, Εὐμενίδες for Ἐρινύες, πόντος εὔξεινος for ἄξεινος, ; or 3.90b οὐδ’ ἄρα .. γήθησεν for ἐλυπήθη, Trop. 2.15 ; κατ’ ἀντίφρασιν ND 4 , Erot. s.v. ἀσήμοις , in Phdr. p.176A. , Chr. 87 .
II). expression by means of negation, Fig. p.212S.