ねつい熱意netsui
1.
A strong and passionate commitment or eagerness towards a particular task or goal, characterized by an earnest desire to achieve or pursue it.
2.
A devoted and intense feeling of dedication that drives one to overcome obstacles and remain focused on a purpose.
3.
An unwavering enthusiasm and determination that reflects a deep interest or investment in something, often motivating others as well.
Example:
彼女は自分の仕事にぜんぜん熱意を示さない。