The term MIDEAST BIGWIG refers to a powerful person in the Middle East. The crossword solutions for this term are EMEER (5 letters), AMEER (5 letters), and AMIR (4 letters). EMEER is an Arabic word meaning 'RULER' or 'LEADER'. AMEER is an Arabic word meaning 'COMMANDER' or 'prince'. AMIR is an Arabic word meaning 'COMMANDER' or 'CHIEFTAIN'. All three words refer to a powerful person in the Middle East, such as a LEADER of a country or a prominent figure in the region.