Heavy
Heavy adjective - Having great weight.
Professional and heavy are semantically related. In some cases you can use "Professional" instead an adjective "Heavy".
Professional
Professional adjective - Of or relating to or suitable as a profession.
Heavy and professional are semantically related. Sometimes you can use "Heavy" instead an adjective "Professional".
Both words in one sentence
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Pretty much all the characters are professional thieves of one sort or other and are using the phrase with heavy irony.
Source: Fell Off the Back of a Truck -
They seem to be rather professional mostly used for heavy-duty corporate security.
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Martin Lawrence's character is a professional jewel thief, trying to steal a large diamond under heavy security.
Source: Cutting the Knot
Cite this Source
Professional and Heavy. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/heavy/professional
Heavy & Professional. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/heavy/professional>.
Professional or Heavy. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/heavy/professional.
Google Ngram Viewer shows how "heavy" and "professional" have occurred on timeline