libido

li·bi·do

noun
\lə-ˈbēd-(ˌ)ō also ˈlib-ə-ˌdō or lə-ˈbī-(ˌ)dō\

plural li·bi·dos

Definition of LIBIDO

1

: instinctual psychic energy that in psychoanalytic theory is derived from primitive biological urges (as for sexual pleasure or self-preservation) and that is expressed in conscious activity

2

: sexual drive