Noxious

//ˈnɒkʃəs//

Synonyms for "noxious" (174 found)

Ranked by relevance and common usage.

Closest matches (35)

Strong matches (52)

Related words (87)

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

7 relation types

Translations

45 translations across 27 languages.

Powered by Wiktionary

Asturian

2 entries
  • dañible adj (harmful)
  • nocivu adj (harmful)

Basque

1 entries
  • kaltegarri adj (harmful)

Bulgarian

2 entries
  • вреден adj (harmful)
  • нездравословен adj (harmful)

Catalan

1 entries
  • nociu adj (harmful)

Corsican

1 entries
  • nucivu adj (harmful)

Esperanto

1 entries
  • venefna adj (harmful)

Estonian

1 entries
  • kahjur adj (harmful)

Finnish

3 entries
  • haitallinen adj (harmful)
  • myrkyllinen adj (harmful)
  • vahingollinen adj (harmful)

French

1 entries
  • nocif adj (harmful)

Friulian

1 entries
  • nocîf adj (harmful)

Galician

2 entries
  • daniño adj (harmful)
  • nocivo adj (harmful)

German

2 entries
  • Schad adj (harmful)
  • schädlich adj (harmful)

Hungarian

2 entries
  • kártékony adj (harmful)
  • ártalmas adj (harmful)

Italian

3 entries
  • insalubre adj (harmful)
  • malsano adj (harmful)
  • nocivo adj (harmful)

Japanese

1 entries
  • 有毒な adj (harmful)

Korean

1 entries
  • 유해한 adj (harmful)

Latin

1 entries
  • noxius adj (harmful)

Latvian

1 entries
  • kaitīgs adj (harmful)

Māori

1 entries
  • orotā adj (harmful)

Polish

2 entries
  • niezdrowy adj (harmful)
  • szkodliwy adj (harmful)

Portuguese

2 entries
  • daninho adj (harmful)
  • nocivo adj (harmful)

Romanian

3 entries
  • nesănătos adj (harmful)
  • nociv adj (harmful)
  • vătămător adj (harmful)

Russian

2 entries
  • вре́дный adj (harmful)
  • ядови́тый adj (harmful)

Serbo-Croatian

2 entries
  • štȅtan adj (harmful)
  • ште̏тан adj (harmful)

Spanish

4 entries
  • daniño adj (harmful)
  • nocente adj (harmful)
  • nocible adj (harmful)
  • nocivo adj (harmful)

Turkish

1 entries
  • zararlı adj (harmful)

Vietnamese

1 entries
  • độc hại adj (harmful)

Sample sentences

8 total sentences available.

Tatoeba + Wiktionary

Exhaust gases of a car are noxious.

Source: tatoeba (265532)

Behind the house there was an old orchard, now overrun with noxious weeds and rough shrubs.

Source: tatoeba (7910153)

Noxious fumes may be present.

Source: tatoeba (9962927)

The smell was noxious.

Source: tatoeba (10976220)

Showing 4 of 8 available sentences.

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