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
-Â·gies. 1  a formal spoken or written defense of some idea, religion, philosophy, etc. 2  an acknowledgment of some fault, injury, insult, etc., with an expression of regret and a plea for pardon. 3  an inferior substitute; makeshift: usually used with a pejorative adjective: he is a poor apology for an actor.