extrinsic
adjective
ex·trin·sic
| \ ek-ˈstrin-zik
, -ˈstrin(t)-sik
\
, -ˈstrin(t)-sik
\
Definition of extrinsic
1a
: not forming part of or belonging to a thing : extraneous
b
: originating from or on the outside
especially
: originating outside a part and acting upon the part as a whole
extrinsic muscles of the tongue
2
: external