Deadly and Hazardous

Deadly

Deadly adjective - Likely to cause or capable of causing death.
Usage example: the doctors were alarmed about the outbreak of the deadly new virus

Hazardous and deadly are semantically related. In some cases you can use "Hazardous" instead an adjective "Deadly".

Nearby Word: dead

Hazardous

Hazardous adjective - Involving potential loss or injury.
Usage example: a hazardous journey across the arctic ice

Deadly and hazardous are semantically related. Sometimes you can use "Deadly" instead an adjective "Hazardous".

Nearby Words: hazard, hazarded, hazardously

Both words in one sentence

  • Franchise / Star Trek Deadly Training Area: The holodecks were intended to be used for training, but they're one of the most hazardous areas on the ship thanks to Holodeck Malfunctions.
  • Theatre / Halloween Horror Nights Deadly Game: The theme of 2001's RUN, a low budget game show where contestants are expected to dodge both chainsaw wielding freaks and an extremely hazardous environment.
  • Literature / Deathlands Heavily populated by mutants and frequently scoured by deadly weather and hazardous terrain.
Cite this Source
Hazardous and Deadly. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/deadly/hazardous
Deadly & Hazardous. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/deadly/hazardous>.
Hazardous or Deadly. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/deadly/hazardous.
Google Ngram Viewer shows how "deadly" and "hazardous" have occurred on timeline