Firm
Firm adjective - Having been established and usually not subject to change.
Usage example: the selling price of the house is firm, so there'll be no dickering
Responsible and firm are semantically related In some cases you can use "Responsible" instead an adjective "Firm".
Responsible
Responsible adjective - Worthy of one's trust.
Usage example: our regular babysitter is very responsible
Firm and responsible are semantically related in trustworthy topic. Sometimes you can use "Firm" instead an adjective "Responsible".
Mutual synonyms
Both words in one sentence
-
Roger Patterson was a very firm Type A (in fact, he was responsible for a good portion of the band's early buzz) and an even firmer Type C due to both said initial buzz and his tragic death.
Source: Lead Bassist - What did you expect to happen after they sacked the people responsible for writing the subtitles, those responsible for sacking the people who have just been sacked, and the directors of the firm hired to continue the credits after the other people had been sacked?
Source: The Stinger - Synopsis: James Smith, at thirty years old, is already the very successful Chief Architect of Le JimStructures, the firm that will be responsible for the very first interplanetary manmade structure.
Source: Fanfic Recs / Real Person Fic
Cite this Source
Responsible and Firm. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/firm/responsible
Firm & Responsible. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/firm/responsible>.
Responsible or Firm. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/firm/responsible.
Google Ngram Viewer shows how "firm" and "responsible" have occurred on timeline