Someone who spreads empty talk, false rumors, or worthless air-based ideas; a dealer in insubstantial or false information.
From 'air' (as in worthless or empty) + 'monger' (one who deals in or promotes). The '-monger' suffix comes from Latin 'mangere' (to traffic), used in words like 'fishmonger.' 'Air' here means insubstantial or false.
'Airmonger' is related to 'warmonger' and 'scaremonger'—old words that capture how language creates job titles for people spreading things people don't want. It's a delightfully scathing word for people just full of hot air.
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