perversion UK /pəˈvɜː.ʒən/US /pəɹˈvɜɹ.ʒən/ noun5 •The action of perverting someone or something; humiliation; debasement. •Distortion or corruption of the original course, meaning, or state of something. •(disapproving) The state of being perverted; depravity; vice. •(disapproving) A sexual practice considered abnormal; sexual deviance; immorality. •Ellipsis of tendril perversion. formsperversions