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
Report Abuse. an argument is an to go aganist something and you trying to prove someone wrong but an explanation is a simple explanation the interpretation, meaning, or sense given in explaining on something. Source(s): my brain (you welcome). maghadeera Â· 8 years ago. Thumbs up. 2. Thumbs down. 0.