REACTIONARINESS Meaning of REACTIONARINESS in English rēˈakshəˌnerēnə̇s, -rin-, ̷ ̷ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷ ̷ ̷ noun( -es ) : reactionism Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012