libidinal \libidinal\ adj. Of or pertaining to the libido; caused by libido; as, libidinal gratification; libidinal impulses. [WordNet 1.5]

Source: The Collaborative International Dictionary of English v.0.48
 

51 Moby Thesaurus words for "libidinal": amorous, appetitive, automatic, carnal, desiderative, desireful, desiring, desirous, eager, erogenic, erogenous, erotic, erotogenic, fleshly, gamic, heterosexual, hoping, hormic, impulsive, inherent, innate, instinctive, involuntary, lascivious, libidinous, lickerish, lustful, natural, needing, nuptial, optative, oversexed, potent, procreative, sensual, sex, sexed, sexlike, sexual, sexy, spontaneous, straight, subliminal, tempted, unconscious, undersexed, unlearned, venereal, voluptuous, wanting, wishing

Source: Moby Thesaurus II by Grady Ward, 1.0
 

libidinal adj : belonging to the libido; "libidinal impulses"; "libidinal gratification"

Source: WordNet (r) 2.0