Treacherous
Treacherous adjective - Not true in one's allegiance to someone or something.
Unethical and treacherous are semantically related. In some cases you can use "Unethical" instead an adjective "Treacherous".
Nearby Words: treachery, treacherously
Unethical
Unethical adjective - Not conforming to a high moral standard; morally unacceptable.
Treacherous and unethical are semantically related. Sometimes you can use "Treacherous" instead an adjective "Unethical".
Nearby Word: unethically
Mutual synonyms
Related pairs
- corrupt and treacherous
- corrupt and unethical
- dishonest and treacherous
- dishonest and unethical
- unscrupulous and treacherous
- unscrupulous and unethical
- crooked and treacherous
- crooked and unethical
- false and treacherous
- false and unethical
- fraudulent and treacherous
- fraudulent and unethical
- underhanded and treacherous
- underhanded and unethical
Both words in one sentence
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It could possibly have been resolved peacefully had Darth Sideous not been a Treacherous Advisor to them who convinced them to take their grievance much further into unethical and immoral actions, which eventually triggered the Clone Wars, Order 66,and Palpatine's rise to power.
Source: Silly Reason for War
Cite this Source
Unethical and Treacherous. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/treacherous/unethical
Treacherous & Unethical. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/treacherous/unethical>.
Unethical or Treacherous. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/treacherous/unethical.
Google Ngram Viewer shows how "treacherous" and "unethical" have occurred on timeline