Synonyms for Polychromatic:

adj.

multicolor (adjective)
Polychromous, polychrome, dappled, motley, varicolored, polychromic, checkered, streaked, multicolored, Versicolored, kaleidoscopic, variegated, flecked, Versicolor.
multicolored (adjective)
colorful, plaid, multicolor, checked, variegated, flecked, Dichromic, tartan, checkered, kaleidoscopic, patchwork, dappled, rainbow, mosaic, Parti-colored, tessellated, streaked, harlequin, motley, freckled, Striated, marble, parquet, varicolored, striped, calico.

n.

multicolored, Versicolored, Polychromous, colors, Versicolor. polychromatic (noun)
polychrome, coloured, colorful, colored, in color, polychromic.

Other synonyms:

Versicolored, Versicolor, Polychromous. multicolored. Other relevant words:
Versicolor, multicolored, colored, polychromic, Polychromous, coloured, polychrome, Versicolored.