MUJTAHID Meaning of MUJTAHID in English [ mʊdʒ'tα:hɪd ]■ noun ( plural ~s or ~ūn ) a person accepted as an original authority in Islamic law.OriginPers., from Arab., active participle of ijtahada 'strive'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004