Unhealthy

//ʌnˈhɛlθi// adj

adj ·Common ·High school level

Definitions

Adjective
  1. 1
    characterized by, or conducive to poor health

    "The villagers lived in unhealthy surroundings."

  2. 2
    sick or ill

    "He was an unhealthy child."

  3. 3
    tending to corrupt

    "He liked unhealthy reading material."

  4. 4
    characterized by disturbed mental health

    "He had an unhealthy interest in fire."

Adjective
  1. 1
    not conducive to good health wordnet
  2. 2
    not in or exhibiting good health in body or mind wordnet
  3. 3
    detrimental to health wordnet

Synonyms

All synonyms
insalubrioussicklyunhealthfulunsoundailingangry

Example

More examples

"You must give up smoking, as it is unhealthy."

Etymology

From un- + healthy.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.