Entry 1 sense Webster, 1913 Herpetic · Her·pet·ic · IPA /hɚˈpɛtɪk/ 01 a. Pertaining to, or resembling, the herpes; partaking of the nature of herpes; as, herpetic eruptions. 1. Pertaining to, or resembling, the herpes; partaking of the nature of herpes; as, herpetic eruptions.