Emphatic- ज़ोरदार, मज़बूत

Example- They were emphatic about their political differences.

Synonyms- Vehement, wholehearted, forceful, forcible, energetic, vigorous, ardent, assertive, insistent, certain, direct, definite, firm, decided, determined, earnest, downright, outright categorical, unqualified, unconditional, unequivocal, unambiguous, absolute, explicit,out-and-out