Having an unpleasant sound:
— As cacophonous as a henyard.

synoniem: cacophonic.

Roget 410: creaking etc. v.; stridulous^†, harsh, coarse, hoarse, horrisonous^†, rough, gruff, grum^†, sepulchral, hollow.    sharp, high, acute, shrill; trumpet-toned; piercing, ear-piercing, high-pitched, high-toned; cracked; discordant etc. 414; cacophonous.    ... meer laten zien

Roget 414: discordant; dissonant, absonant^†; out of tune, tuneless; unmusical, untunable^†; unmelodious, immelodious^†; unharmonious^†, inharmonious; singsong; cacophonous; harsh etc. 410; jarring.    ... meer laten zien

Nederlands: onwelluidend
Pools: kakofoniczny