Synonyms of hot up

Verb

1. heat, hot up, heat up, change state, turn

usage: gain heat or get hot; "The room heated up quickly"

2. heat up, hot up, screw up, intensify, compound, heighten, deepen

usage: make more intense; "Emotions were screwed up"

3. soup up, hop up, hot up, modify

usage: make more powerful; "he souped up the old cars"