Fast and Traitorous
Opposite meaning words
Fast
Fast adjective - Firm in one's allegiance to someone or something.
Usage example: the two girls soon became fast and inseparable friends
Traitorous is an antonym for fast.
Traitorous
Traitorous adjective - Not true in one's allegiance to someone or something.
Usage example: when our coach took a job at a rival college, a few traitorous players went right along with him
Fast is an antonym for traitorous.
Cite this Source
Traitorous and Fast. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fast/traitorous
Fast & Traitorous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fast/traitorous>.
Traitorous or Fast. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fast/traitorous.
Google Ngram Viewer shows how "fast" and "traitorous" have occurred on timeline