toneless

• POS: Adjective
• HYPHEN: tone=less

CIDE DICTIONARY

toneless, a. 

 Having no tone; unmusical.  [1913 Webster]

THESAURUS

toneless

achromatic, achromic, anemic, ashen, ashy, bled white, bloodless, cadaverous, chloranemic, colorless, dead, deadly pale, deathly pale, dim, dimmed, dingy, discolored, droning, dull, etiolated, exsanguinated, exsanguine, exsanguineous, faded, faint, fallow, flat, ghastly, gray, haggard, hueless, hypochromic, lackluster, leaden, livid, lurid, lusterless, mat, mealy, monotone, monotonic, muddy, neutral, pale, pale as death, pale-faced, pallid, pasty, sallow, sickly, soniferous, sonorous, sounded, sounding, tallow-faced, tonal, uncolored, wan, washed-out, waxen, weak, whey-faced, white