apatetic

[ap-uh-tet-ik] /ˌæp əˈtɛt ɪk/
adjective, Zoology
1.
assuming colors and forms that effect deceptive camouflage.
Origin
1885-90; < Greek apatētikós fallacious, equivalent to apatē- (variant stem of apateúein to deceive) + -tikos -tic
British Dictionary definitions for apatetic

apatetic

/ˌæpəˈtɛtɪk/
adjective
1.
of or relating to coloration that disguises and protects an animal
Word Origin
C19: from Greek apatētikos deceitful, from apateuein to deceive