= Platonic, adj. 2.

Of love, affection, or friendship: intimate and affectionate but not sexual; spiritual rather than physical. Now usually with lower-case initial.

That is not libidinous.

(un-, prefix1 affix 1.)

(un-, prefix1 affix 1.)

Not involving sexual intercourse or other sexual activity; celibate, platonic. Also: lacking in sexual or erotic character or motivation; non-sexual.

That is beyond or outside the sphere of sexuality. Also as n. (with the).

(a) having a liberal attitude towards sex (now rare); (b) not involving sex.