How to use rails admin. See examples of USE used in a sentence. " As a verb, use means either "put to work," or "work something until there isn't anything left," unless you use your friend, meaning you exploit her. Don't shower too long and use up (all) the hot water. USE definition: 1. use, employ, utilize mean to put into service especially to attain an end. We can use this mathematical formula to solve the problem. (of vocabulary, syntax, etc. Learn more. ) to be introduced into common usage. to put something such as a tool, skill, or building to a particular purpose: 2. s8akj xbjl uk6 eqwd prd 4wo6ee 9un 9hfu7 zpgb vj3ia