noun, cha·me·leon often attributive \kə-ˈmēl-yən\

: a type of lizard that can change the color of its skin to look like the colors that are around it

: a person who often changes his or her beliefs or behavior in order to please others or to succeed

Full Definition of CHAMELEON

:  any of a family (Chamaeleontidae) of chiefly arboreal Old World lizards with prehensile tail, independently movable eyeballs, and unusual ability to change the color of the skin
a :  a person given to often expedient or facile change in ideas or character
b :  one that is subject to quick or frequent change especially in appearance
cha·me·le·on·ic \-ˌmē-lē-ˈä-nik\ adjective
cha·me·leon·like \-ˌlīk\ adjective

Examples of CHAMELEON

  1. <at the summer resort he acquired a reputation as a social chameleon—someone who could be whatever his hosts wanted him to be>


Middle English camelion, from Middle French, from Latin chamaeleon, from Greek chamaileōn, from chamai on the ground + leōn lion — more at humble
First Known Use: 14th century


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