chameleon /kəˈmi.li.ən/noun 3adjective 1forms 1 noun3 •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. •(figurative) A person with inconstant behavior; one able to quickly adjust to new circumstances.He is a political chameleon, as charming to business leaders he met privately in Aberdeen on Friday night as he has been inspiring to distressed and desperate Labour defectors in Glasgow and beyond. — 2014 •A hypothetical scalar particle with a non-linear self-interaction, giving it an effective mass that depends on its environment: the presence of other fields. adjective1 •That changes or modifies its color.The wall was covered with a chameleon paint. formschameleons
