Synonyms for Checkered:

adj.

mottled (adjective)
marbled, freckled.
multicolored (adjective)
mosaic, parquet, patchwork, harlequin, polychromatic, colorful, freckled, varicolored, streaked, tessellated, Dichromic, Striated, multicolor, plaid, tartan, checked, marble, calico, Parti-colored, rainbow, motley, variegated, flecked, dappled, kaleidoscopic, striped.
patterned (adjective)
diversified, plaid, mutable, motley, spotted, patchwork, variegated.

n.

bumpy, have an even chance (of doing something), ups and downs, knife edge, on the bubble, be/hang in the balance, win or lose. broken, candy-striped, crisscross, even, checkerboard, chronological. checked (noun)
diverse, spotted, irregular, diversified, uneven, mutable, varied.
checkered (noun)
changeful, patterned, chequered, changeable, checked.

v.

variegated (verb)
colored, marbled, colorized.

Other synonyms:

chronological, spotted, candy-striped. checkerboard. bumpy, crisscross, knife edge. even. Other relevant words:
changeful, chronological, even, chequered, diversified, diverse, irregular, crisscross, changeable, mutable, bumpy, varied, patterned, broken, spotted, checkerboard, candy-striped, uneven.

Usage examples for checkered

  1. The Hungarian emigrants, who are now removing thither from the vengeance of Austria, may perpetuate their native Magyar, and America may in time present a surface as checkered as Europe, or in some parts, as Hungary itself, where the traveller often in passing from one village to another, finds himself in the domain of a different language. – The English Language by Robert Gordon Latham
  2. She wore white and the shadow of the leaves checkered the plain dress. – The Girl From Keller's Sadie's Conquest by Harold Bindloss