Standard Lemma guide

unhealthful

adj · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • CMU ARPABET: AH0 N HH EH1 L TH F AH0 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Not promoting health; detrimental to health.

Definition source: English Wiktionary via Wiktextract

Examples

  • An unhealthful diet and lack of exercise are common causes for heart disease.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adjective

Meaning 2

detrimental to good health

Definition source: Princeton WordNet 3.0

Examples

  • unhealthful air pollution
  • unhealthful conditions in old apartments with peeling lead-based paint

Meaning relationships

Synonyms: none provided

Antonyms: healthful

3

adjective

Meaning 3

not sanitary or healthful

Definition source: Princeton WordNet 3.0

Examples

  • unsanitary open sewers
  • grim and unsanitary conditions

Meaning relationships

Synonyms: unsanitary, insanitary

Antonyms: none provided

4

adjective satellite

Meaning 4

detrimental to health

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: insalubrious, unhealthy

Antonyms: none provided

History

Etymology

From un- + healthful.

Across languages

Translations

6 source translations are retained for this English entry.

  • German: gesundheitsschädlich — not healthy
  • German: ungesund — not healthy
  • German: unzuträglich — not healthy
  • Hungarian: egészségtelen — not healthy
  • Polish: niezdrowy — not healthy
  • Polish: niezdrowotny — not healthy