INTRANSIGENTLY
Scrabble letter values: I1N1T1R1A1N1S1I1G2E1N1T1L1Y4 = 18
Definition
INTRANSIGENTLY is the adverb form of INTRANSIGENT.
adjective INTRANSIGENT: impervious to pleas, persuasion, requests, reason.
Synonyms of INTRANSIGENT: adamant, adamantine, inexorable