Professional
Professional adjective - Of or relating to or suitable as a profession.
Untrustworthy and professional are semantically related. In some cases you can use "Untrustworthy" instead an adjective "Professional".
Untrustworthy
Untrustworthy adjective - Not worthy of trust or belief.
Professional and untrustworthy are semantically related. Sometimes you can use "Professional" instead an adjective "Untrustworthy".
Mutual synonyms
Both words in one sentence
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His eyes are naturally gray (befitting a snarky, noir-esque loner) and his mechanical eye is bright green, which also matches right up with his sneaky, untrustworthy nature, what with him being a professional criminal and all.
Source: Video Game / Thief
Cite this Source
Untrustworthy and Professional. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/professional/untrustworthy
Professional & Untrustworthy. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/professional/untrustworthy>.
Untrustworthy or Professional. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/professional/untrustworthy.
Google Ngram Viewer shows how "professional" and "untrustworthy" have occurred on timeline