simoon n a violent hot sand-laden wind on the deserts of Arabia and North Africa Usage(s) A political simoon swept the Levant. At week's end, with the political simoon subsiding swiftly, Landlord Gavam turned to choosing his Cabinet and preparing to call on Neighbor Stalin. He passes by 'galloon,' 'simoon,' He scorns 'monsoon,' 'baboon' and 'loon,' But he's married himself to the word 'tycoon. Synonym(s) simoom samiel