Synonyms|285Antonyms|5|Broader|0Narrower|0Related|6

217 entries under adjective topic. ×

1
dependable(firm, solid, certain, stable)
1
determinate(certain, limited, definite, inflexible)
1
determined(strong, complete, flat, warm)
1
doubtless(clear, certain, definite, sure)
1
explicit(strong, complete, flat, total)
1
express(complete, total, definite, absolute)
1
faithful(intense, certain, resolute, persistent)
1
flat out(expression, complete, total, definite)
1
foolproof
1
for a fact(expression, idiom, clear, certain)
1
free from doubt(expression, idiom, clear, certain)
1
genuine(set, clear, complete, warm)
1
hang tough(expression, strong, certain, definite)
1
immovable(firm, solid, intense, stable)
1
imperturbable(firm, solid, stable, fixed)
1
in the bag(expression, idiom, certain, limited)
1
inalterable(certain, limited, definite, inflexible)
1
incontestable(clear, certain, definite, positive)
1
incontrovertible(clear, certain, definite, positive)
1
indisputable(clear, certain, definite, positive)
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ChicagoSmart Define. 2015. "never-failing thesaurus" https://smartdefine.org/never-failing/thesaurus/synonyms (accessed September 30, 2026).
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MLASmart Define. "never-failing thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/never-failing/thesaurus/synonyms>