Runout is a word that can be used in a variety of contexts, but it generally means to run out of something, or to be exhausted or depleted. There are several synonyms that can be used in place of this word, depending on the context in which it is being used. For example, if talking about a cricket match, the words "dismissal" or "out" can be used instead of "runout". If discussing materials like ink, paper, or toner, the words "empty" or "depleted" can be used instead of runout. In the context of cooking, the words "used up" or "all gone" can be used instead of runout.