- Psychiatry. pertaining to the theory that all human behavior is based on sexuality.
- Also omnisexual. expressing or involving sexuality in all its forms, or sexual activity with people of any sexual orientation or gender identity.
Origin of pansexual
Word Origin and History for pansexuality
1926 (pansexualism is from 1917), from pan- + sexual. Originally in reference to the view that the sex instinct plays the primary part in all human activity, mental and physical; this was held by his critics to be the view of Freud, therefore a term of reproach leveled at early psychology.