断定的に の訳語→ assertively peremptorily
きっぱりと の訳語→ briskly categorically confidently decidedly definitely firm firmly point blank pointedly positively sharp tersely unequivocally
はっきりと の訳語→ accurate actually articulately clear clearly completely crystal clear deeply directly distinct distinctly emphatically exactly expressly fully insistent precisely really steady unambiguous unmistakable vividly