| fervour |
| hysteria(noun, stupidity, foolishness, insanity, folly) |
| obsession(noun, worship, devotion, admiration, adoration) |
| obsessiveness(noun, passion, zeal, keenness, mania) |
| rage(noun, passion, zeal, keenness, intemperance) |
| single-mindedness(noun, passion, zeal, keenness, intemperance) |
| ardor(noun, force, feeling, power, passion) |
| dogmatism(noun, discrimination, prejudice, obstinacy, injustice) |
| earnestness(noun, force, feeling, power, passion) |
| extreme devotion(noun, expression, worship, adoration) |
| mania(noun, feeling, passion, energy, excitement) |
| obstinacy(noun, passion, zeal, keenness, intemperance) |
| partiality(noun, passion, zeal, prejudice, keenness) |
| tenacity(noun, passion, zeal, keenness, intemperance) |
| craze(noun, feeling, passion, energy, excitement) |
| devotedness |
| faction(noun, passion, zeal, keenness, intemperance) |
| fervency(noun, force, feeling, power, passion) |
| furore |
| gusto(noun, feeling, passion, spirit, interest) |