Deadly and Harmless

Opposite meaning words

sentence examples

Deadly

Deadly adjective - Likely to cause or capable of causing death.
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Synonyms for Deadly
Antonyms for Deadly
Harmless is an antonym for deadly in topics: ghostly, causing end of life.
Nearby Word: dead

Harmless

Harmless adjective - Not causing or being capable of causing injury or hurt.
Usage example: a perfectly harmless little spider
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Synonyms for Harmless
Antonyms for Harmless
Deadly is an antonym for harmless.
Nearby Words: harm, harmful, harmlessly
Similar words of deadly

Similar words of harmless

Both words in one sentence

  • As with any portrayal of King John Of England, Ivanhoe: The King's Knight features the then prince as seemingly harmless only to show himself to be able to use a sword with deadly skill.
    Source: Not-So-Harmless Villain
  • Literature / Star Trek: Deep Space Nine Relaunch Depopulation Bomb: The Trill homeworld is hit by a series of pulses harmless to the vast majority, but deadly to Joined Trills, who form a priviliged minority.
    Source: Literature / Star Trek: Deep Space Nine Relaunch
  • Nothing happens, because the heroes had already noticed his deadly teeth and replaced them with harmless ones.
    Source: Where's the Kaboom?
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Cite this Source
Harmless and Deadly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deadly/harmless
Deadly & Harmless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deadly/harmless>.
Harmless or Deadly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deadly/harmless.

Antonyms for deadly


Antonyms for harmless

Google Ngram Viewer shows how "deadly" and "harmless" have occurred on timeline