Availability \A*vail`a*bil"i*ty\, n.; pl. {Availabilities}. 1. The quality of being available; availableness. [1913 Webster] Note: The word is sometimes used derogatively in the sense of "mere availableness," or capability of success without regard to worthiness. [1913 Webster] He was . . . nominated for his availability. --Lowell. [1913 Webster] 2. That which is available. [1913 Webster]