Usage patterns
熱烈な歓迎を受けるto receive a warm, enthusiastic welcome
The returning athletes received an ardent welcome.
熱烈なファンa passionate/devoted fan
He was asked for his autograph by an ardent fan.
〈人〉を熱烈に愛するto love someone passionately
She has loved him passionately for a long time.
熱烈な支持を得るto gain fervent/enthusiastic support
The new candidate is gaining fervent support from young people.