Synonyms|1.1kAntonyms|177|Broader|12Narrower|18Related|469

162 entries under definite topic. ×

3
clear(adjective, set, complete, tough, severe)
3
convinced(adjective, clear, certain, determined)
3
inalterable(adjective, certain, limited, fixed)
3
incontestable(adjective, clear, certain, unquestionable)
3
indisputable(adjective, clear, certain, unquestionable)
3
indubitable(adjective, clear, certain, unquestionable)
3
tried and true(expression, adjective, idiom, close, strong)
3
undeniable(adjective, clear, certain, unquestionable)
3
unquestionable(adjective, clear, certain, undisputable)
2
absolute(adjective, strong, complete, easy, total)
2
bent(adjective, strong, flat, intense, certain)
2
dead set on(expression, adjective, idiom, strong, secure)
2
doubtless(adjective, clear, certain, unquestionable)
2
exact(adjective, close, strong, correct, flat)
2
flat(strong, certain, resolved, unalterable)
2
level(adjective, certain, limited, restricted)
2
unequivocal(adjective, good, set, clear, strong)
2
valid(adjective, honest, solid, pure, certain)
2
well-founded(adjective, calm, strong, secure, easy)
1
able(adjective, strong, easy, solid, certain)
For more, visit Steadfast on Power Thesaurus
10 years ago|23k views|share |citing 
APASmart Define. (2016). steadfast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/steadfast/thesaurus/synonyms
ChicagoSmart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, steadfast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>.
MLASmart Define. "steadfast thesaurus" 11 March 2016. Web. 25 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms>