Find Synonyms
unhealthy Synonyms
Another word for unhealthy
Choosing another word for unhealthy depends on context, so the 23 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• adjective (Context 1)
Harmful to physical or mental well-being; not conducive to good health.
Usage Example
"Consuming excessive amounts of processed sugar is part of an unwholesome diet."
Strongest
unwholesome
Strong
harmful
insalubrious
detrimental
deleterious
noxious
pernicious
• adjective (Context 2)
Not having or showing good health; suffering from or indicative of illness or poor physical condition.
Usage Example
"The neglected houseplant had pale, unwell leaves that drooped toward the floor."
Strongest
unwell
sickly
Strong
ailing
ill
unfit
out of shape
frail
infirm
peaked
• adjective (Context 3)
Morally, socially, or psychologically harmful, abnormal, or undesirable.
Usage Example
"Critics argued that the merger would create an toxic monopoly in the telecommunications sector."
Strongest
toxic
Strong
dysfunctional
morbid
destructive
obsessive
pathological
corrupting
Opposites of unhealthy
The opposite of unhealthy shifts depending on context. Common opposites include:
healthy
well
healthful
wholesome
constructive
fit
robust
vigorous
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Unhealthy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unhealthy