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
1 to seek pardon or exemption for (a person, esp oneself) : to excuse oneself for one's mistakes. 2  to make allowances for; judge leniently: to excuse someone's ignorance. 3  to serve as an apology or explanation for; vindicate or justify: her age excuses her behaviour.