WAYBACK Meaning of WAYBACK in English I. ˈ ̷ ̷ˌ ̷ ̷ adjectiveEtymology: from the phrase (from) way back : of, relating to, or situated in the backcountry II. noun dialect : rustic , yokel Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012