172 entries under adjective topic. ×

19
substantial(calm, strong, secure, strain)
19
unalterable(calm, strong, secure, strain)
18
long-standing(strain, firmness, labour, hardiness)
18
settled(strain, firm, solid, stable)
18
sustained(strain, firmness, persistent, continuous)
18
unyielding(strain, firmness, labour, hardiness)
7
immovable(firm, solid, still, stable)
6
equable(calm, strong, secure, firm)
6
even(calm, strong, secure, smooth)
6
unchanging(calm, smooth, right, flat)
5
immoveable
5
static(still, fixed, motionless, stationary)
4
immobile(still, passive, motionless, stationary)
4
unmovable
3
uniform(calm, strong, secure, smooth)
3
unvarying(calm, strong, secure, smooth)
2
abiding(calm, strong, secure, firm)
2
fixed(dull, firm, solid, still)
2
motionless(still, passive, stationary, changeless)
2
unwavering(calm, strong, direct, secure)
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APASmart Define. (2015). stabile thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stabile/thesaurus/synonyms
ChicagoSmart Define. 2015. "stabile thesaurus" https://smartdefine.org/stabile/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, stabile thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stabile/thesaurus/synonyms>.
MLASmart Define. "stabile thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/stabile/thesaurus/synonyms>