κακοηχής

ές, ον
A. ill-sounding, dissonant, Phld. Po. 2.42: Comp. ἠχὴ ‐εστέρα Adam. 2.42:—also κακό‐ηχος, ον, Suid. s.v. ἐκμελές.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project