The American Heritage® Dictionary of the English Language, 4th Edition
adj. Having a variety of colors; variegated.
adj. Changing in color; iridescent.
the GNU version of the Collaborative International Dictionary of English
adj. Having various colors; changeable in color.
The Century Dictionary and Cyclopedia
Having several different colors; partycolored; variegated in color.
Changeable in color, as the chameleon; glancing different hues or tints in different lights; iridescent; sheeny. Also versicolorate.
Also verse-colored, versicolored, versicolorous.
Word Usage
"If I am not mistaken this is one of the 2 similar tree frogs of eastern North America: gray treefrog (Hyla versicolor) or Cope's gray treefrog (Hyla chrysoscelis)."