1. to form or develop pustules (small, inflamed bumps filled with pus on the skin)
Usage: medical/dermatological term; third-person singular present tense or plural form

Examples

• The infected wound pustulates if left untreated.
• Severe acne pustulates across the patient's face.
• The skin condition pustulates in response to the bacterial infection.
• Without proper care, the boil pustulates and becomes more painful.