Synonyms|3.3kAntonyms|621|Broader|72Narrower|451Related|3.9k

751 entries under adjective topic. ×

40
enduring(calm, strong, secure, tough)
40
tenable(reasonable, strain, sensible, rational)
39
abundant(strain, firmness, greatness, labour)
39
constant(calm, strong, secure, tough)
39
permanent(strain, firmness, labour, hardiness)
39
unyielding(strong, hard, tough, strain)
38
impregnable(reasonable, strain, firm, true)
38
invariable(strain, firmness, labour, hardiness)
38
proof(calm, strain, restrained, short)
38
resistant(strain, firmness, labour, hardiness)
38
self-contained(strain, firmness, labour, hardiness)
38
settled(strong, secure, easy, strain)
38
stabile(calm, strong, secure, strain)
38
stationary(strain, firmness, labour, hardiness)
38
unalterable(strain, firmness, labour, hardiness)
38
well-established(strain, firmness, labour, hardiness)
37
long-standing(strain, firmness, labour, hardiness)
37
perpetual(strain, firmness, labour, hardiness)
37
rock-solid(hard, strain, firmness, compact)
37
tolerant(strain, sensible, rational, intelligent)
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ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>