Chameleon
Part of speech: noun
Definition: A small to mid-size reptile, of the family Chamaeleonidae, and one of the best known lizard families able to change color and project its long tongue. A person with inconstant behavior; one able to quickly adjust to new circumstances.
Part of speech: adjective
Definition: Describing something that changes color.
Example sentence: Dr. Seuss said, 'No one can be you-er than you,' and Oscar Wilde said, 'Be yourself because everyone else is taken.' So I just try to continue to be who I am and don't change that. And I'm a little chameleon, so I can fit in wherever I am.
Chamaeleon
Part of speech: noun
Definition: An older spelling of chameleon.