Synonyms|359Antonyms|67|Broader|1Narrower|0Related|355

135 entries under adjective topic. ×

2
sagacious(reason, sane)
2
tight(good, strong, secure, reason)
2
well-built(calm, strong, sound, secure)
2
well-made(strong, sound, tough, solid)
1
able-bodied(strong, sound, tough, solid)
1
accepted(reasonable, sensible, natural, normal)
1
active(strong, sound, tough, solid)
1
at ease(expression, strong, easy, certain)
1
athletic(strong, sound, tough, solid)
1
big(strong, sound, tough, solid)
1
capable(strong, sound, tough, solid)
1
cinch(strong, easy, solid, certain)
1
conclusive(strong, sound, reasonable, easy)
1
energetic(strong, sound, tough, solid)
1
fixed(strong, sound, secure, tough)
1
forcible(strong, sound, tough, solid)
1
hale(strong, sound, tough, solid)
1
hard as nails(expression, idiom, strong, sound)
1
hardy(strong, sound, tough, solid)
1
hearty(strong, sound, tough, solid)
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ChicagoSmart Define. 2016. "well-founded thesaurus" https://smartdefine.org/well-founded/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, well-founded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/well-founded/thesaurus/synonyms>.
MLASmart Define. "well-founded thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/well-founded/thesaurus/synonyms>