[ uhn-hel-thee ]
/ ʌnˈhɛl θi /

adjective, un·health·i·er, un·health·i·est.

not in a state of good or normal health; in an unsound, weak, or morbid condition.
symptomatic of or resulting from bad health: an unhealthy pallor.
not conducive to good health; unhealthful: Night air was formerly considered unhealthy.
morally bad, harmful, or contaminating: unhealthy examples for the young.
dangerous; risky: Asking questions in this neighborhood can be unhealthy.

Origin of unhealthy

First recorded in 1585–95; un-1 + healthy


un·health·i·ly, adverbun·health·i·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for unhealthy

British Dictionary definitions for unhealthy

/ (ʌnˈhɛlθɪ) /

adjective -healthier or -healthiest

characterized by ill-health; sick; unwell
characteristic of, conducive to, or resulting from ill-healthan unhealthy complexion; an unhealthy atmosphere
morbid or unwholesome
informal dangerous; risky

Derived forms of unhealthy

unhealthily, adverbunhealthiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012