As a noun healthiness
is (uncountable) the state or quality of being healthy.
As an adjective healthful is
beneficial to health of body or mind.
healthiness
English
Noun
(en-noun)
(uncountable) The state or quality of being healthy.
(countable) The product or result of being healthy.
healthful
English
Alternative forms
* healthfull (archaic)
Adjective
(en-adj)
Beneficial to health of body or mind.
Synonyms
* healthy
* salubrious
* salutary
Derived terms
* healthfully
* healthfulness
Related terms
* heal
* health
* healthy