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
a reason, fact, circumstance, or explanation that justifies or defends: His insulting you was ample justification for you to leave the party. 2. an act of justifying: The painter's justification of his failure to finish on time didn't impress me. 3. the state of being justified.