熱い【あつい】
hot (to the touch), passionate (feelings, etc.), ardent, hot (e.g. gaze), hot (e.g. temper), zealous, enthusiastic, fired up, intense, severe, extreme, hot (topic), of interest
情熱【じょうねつ】
passion, enthusiasm, zeal
熱心【ねっしん】
zealous, enthusiastic, ardent, fervent, keen, eager
熱帯【ねったい】
tropics
熱意【ねつい】
zeal, enthusiasm, ardor, ardour
熱気【ねっき】
heat, hot air, enthusiasm, excitement, fervour, fervor, heated atmosphere, fever
熱烈【ねつれつ】
ardent, passionate, vehement
高熱【こうねつ】
high fever, pyro-
発熱【はつねつ】
generation of heat, (attack of) fever, pyrexia
熱湯【ねっとう】
boiling water
白熱【はくねつ】
white heat, incandescence, (emitting) white light, white glow, becoming excited, getting heated (e.g. of a discussion), reaching a climax
熱する【ねっする】
to heat, to heat up, to get excited, to get worked up, to get fired up
亜熱帯【あねったい】
subtropics
光熱費【こうねつひ】
cost of fuel and lighting, cost of heat and electricity, energy bill, utility cost
熱中【ねっちゅう】
being enthusiastic about, being wild about, being absorbed in, being engrossed in, being devoted to
解熱【げねつ】
lowering a fever, alleviation of fever
微熱【びねつ】
slight fever
耐熱【たいねつ】
heat-resisting
熱戦【ねっせん】
fierce fight, close contest
過熱【かねつ】
superheating, overheating
