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 means to overlook some (usu.) slight offense, because of circumstance, realization that it was unintentional, or the like: to excuse rudeness. forgive is applied to excusing more serious offenses; the person wronged not only overlooks the offense but harbors no ill feeling against the offender: to forgive and forget.