Capacity – English Flashcard for Capacity for IELTS Updated: January 30, 2021 by Dr. Mohammad Hossein Hariri AslCapacity Capacity (noun) /kəˈpæs.ə.ti/ US /-ţi/the total amount of something that can be held or contained, maximum volume, ability, bulkThe conference room doesn’t have enough capacity to accommodate so many participants.