JARGONIST Meaning of JARGONIST in English ˈ ̷ ̷_gənə̇st nounor jar·gon·eer | ̷ ̷ ̷ ̷|ni(ə)r, -iə( -s ) : one that is addicted to jargon Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012