English English Wikipedia has an article on:polyfidelityWikipedia Etymology From poly- + fidelity. Pronunciation This entry needs pronunciation information. If you are familiar with the IPA or enPR then please add some! Audio (US):(file) Noun polyfidelity (uncountable) A form of polyamory where all members are considered equal partners and agree to be sexually active only with other members of the group. Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads