Harmful
Harmful adjective - Causing or capable of causing harm.
Unreliable and harmful are semantically related. In some cases you can use "Unreliable" instead an adjective "Harmful".
Unreliable
Unreliable adjective - Not worthy of reliance or trust.
Harmful and unreliable are semantically related. Sometimes you can use "Harmful" instead an adjective "Unreliable".
Nearby Words: unreliability, unreliably
Both words in one sentence
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Discussed in Shaman Blues with particular sub-type of spirits - apparently vultures have terrible reputation as being unreliable and downright harmful to people they're supposed to protect.
Source: Always Chaotic Evil
Cite this Source
Unreliable and Harmful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harmful/unreliable
Harmful & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harmful/unreliable>.
Unreliable or Harmful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harmful/unreliable.
Google Ngram Viewer shows how "harmful" and "unreliable" have occurred on timeline