unhealthy
/ʌnˈhɛl.θi/
Proposed by a contributor, not yet supported by evidence.
Also seen as: unhealthier · unhealthiest
Sense 1
Meaning · English
Characterized by, or conducive to poor health.
Adjective
Examples
The villagers lived in unhealthy surroundings.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Sick or ill.
Adjective
Examples
He was an unhealthy child.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “unhealthy” mean?
Characterized by, or conducive to poor health.
Is “unhealthy” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.