i-adjective
feverish; slightly feverish
Describes a bodily sensation of having a slight fever, or a state that feels like one.
なんだか体が熱っぽい。
I feel kind of feverish.
熱っぽいので、今日は早く寝ます。
I'm feeling feverish, so I'll go to bed early tonight.
i-adjective
enthusiastic; passionate; heated
Used for speech, attitude, or atmosphere that is emotionally charged or fervent.
彼の熱っぽい演説に聴衆は感動した。
The audience was moved by his passionate speech.
二人は熱っぽい口調で議論していた。
The two were arguing in a heated tone.