LINK / CITE ADD TO WORD LIST. noun. The definition of availability is whether someone or something can be accessed or used. An example of availability is when a classmate can meet to discuss a project on a certain date.
excuse - a defense of some offensive behavior or some failure to keep a promise etc.; he kept finding excuses to stay; every day he had a new alibi for not getting a job; his transparent self-justification was unacceptable
Excuse can be a noun or a verb. When it is a noun, it is pronounced /Éªk'skjuËs/. When it is a verb, it is pronounced /Éªk'skjuËz/. 1. used as a noun. An excuse is a reason that you give in order to explain why something has been done, has not been done, or will not be done.