EMPHATIC, EMPHATICALLY
ADJECTIVES
► FLAT-FOOTED forthright, straightforward, emphatic → 1828 Amer. dial.
ADVERBS
► ABSOTIVELY emphatically, without a doubt, irrefutably → 1914 US sl.
► PEREMPTORILY with strong or positive belief or assurance; confidently, emphatically → 1571 obs.
Lexicophilia 