Efficacy is a related term of flair.
As nouns the difference between efficacy and flair
is that efficacy is (uncountable) ability to produce a desired amount of a desired effect while flair is (distinctive style or elegance).
efficacy
English
Noun
(-)
(uncountable) Ability to produce a desired amount of a desired effect.
Synonyms
* efficacity
Related terms
* effect
* effective
* effectiveness
* effectivity
* effector
* effectual
* effectuate
* efficacious
* efficacity
* efficiency
* efficient
External links
*
*
flair
English
Noun
(
en noun)
A natural or innate talent or aptitude; a knack.
Distinctive style or elegance; panache or elan.
Synonyms
* (natural or innate talent) gift, knack, talent
* (distinctive style or elegance) elan, elegance, grace, panache, style
Anagrams
*
----