wherefore UK /ˈwɛəˌfɔː/US /ˈweɹˌfɔɹ/adverb 2conjunction 1noun 1forms 1 adverb2 •(no longer used) Why, for what reason, because of what.Ah, Romeo, Romeo, wherefore art thou Romeo? / Denie thy Father, and refuse thy name, / Or if thou wilt not be but sworne my loue, / And il'e no longer be a Capulet. — 1591 •(formal, no longer used) Therefore; thus.Wherefore, Judge G. Thomas Porteous, Jr., is guilty of high crimes and misdemeanors and should be removed from office. — 2010 conjunction1 •(no longer used) Because of which.Wherefore it was that by the time the authorities awoke to the fact that something had happened Billy Byrne was fifty miles west of Joliet, bowling along aboard a fast Santa Fe freight. — 1914 noun1 •An intent or purpose; a why.Ant[ipholus of Syracuse]. Shall I tell you why? / S. Dro. [Dromio of Syracuse] I, sir, and wherefore; for they say, euery why hath a wherefore. — 1594 formswherefores