* Impetuous: Acting quickly and without much thought or planning, often driven by emotion.
* Ardour: Great passion, enthusiasm, or excitement.
Examples:
* "She confessed her love with impetuous ardour, ignoring the potential consequences."
* "His impetuous ardour for the cause led him to make rash decisions."
* "The poet's impetuous ardour for his beloved is evident in his passionate verses."
Essentially, "impetuous ardour" describes a powerful and passionate feeling that drives someone to act impulsively, often without considering the potential drawbacks. It's often associated with romantic love, but it can also be applied to other strong feelings, such as religious fervor or political zeal.