Promptitude is a related term of ardor.
As nouns the difference between promptitude and ardor
is that promptitude is the quality of being prompt; alacrity while ardor is great warmth of feeling; fervor; passion.
promptitude
English
Noun
(-)
The quality of being prompt; alacrity.
Synonyms
* (quality of being prompt) promptness
ardor
English
Alternative forms
* ardour (chiefly British and Canadian)
Noun
Great warmth of feeling; fervor; passion.
Spirit.
Intense heat.
Synonyms
* (warmth of feeling) intensity
* (spirit) elan, fire in the belly, passion, zeal
Antonyms
* apathy
Related terms
()
* ardent
* ardency