634 entries under adjective topic. ×

45
perpetual(quality, strain, steady, regular)
45
rigid(state, secure, strain, firm)
45
unalterable(strong, secure, strain, flat)
43
tight(close, strong, hard, secure)
42
settled(strong, secure, easy, strain)
42
stabile(calm, direct, smooth, right)
41
conservative(reasonable, moderate, strain, mild)
41
quiescent(calm, secure, strain, still)
41
robust(strong, sound, complete, secure)
39
long-standing(strain, firmness, labour, hardiness)
39
resistant(strain, firmness, labour, hardiness)
39
unyielding(strong, hard, sound, secure)
38
rock-solid(hard, strain, firmness, compact)
38
sustained(strain, firmness, persistent, continuous)
38
tenable(strain, firmness, labour, hardiness)
38
well-balanced(calm, sound, strain, rational)
37
immune(strain, firmness, safe, labour)
37
impregnable(strain, firm, true, firmness)
37
refractory(strain, firmness, labour, hardiness)
37
resilient(strain, firmness, labour, hardiness)
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APASmart Define. (2015). stable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stable/thesaurus/synonyms
ChicagoSmart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>.
MLASmart Define. "stable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms>