cacophonous

marked by or producing a harsh combination of sounds the cacophonous chaos on the floor of the New York Stock Exchange Synonyms dissonant, discordant, inharmonious, unmelodious, unmusical, unvocalRelated Words blaring, clanging, clangorous, clashing, clattering, dinning, grating, harsh, jangling, jangly, jarring, metallic, noisy, raspy, raucous, scratching, screeching, shrill, squeaky, strident; disagreeable, unpleasant, unpleasing; atonal, off-key, tuneless; resounding, sonorous; clamorous, uproariousNear Antonyms dulcet, euphonious, mellifluent, mellifluous, mellow, melodic, sweet, tuneful; resonant, sonorous; quavering, trilling, warbling; agreeable, appealing, pleasant; cadenced, lilting, lyric, lyrical, rhythmic (or rhythmical); chordal, harmonic, homophonic, orchestral, polyphonic (or polyphonous), symphonic, symphonious, tonal; calm, hushed; noiseless, quiet, silent, soundless, stillAntonyms harmonious, harmonizing, melodious, musical