132 entries under adjective topic. ×

40
sound(reasonable, strain, sensible, rational)
40
stable(strain, firmness, labour, hardiness)
40
strong(strain, firmness, labour, hardiness)
37
consistent(sound, strain, sensible, rational)
37
firm(strain, firmness, labour, hardiness)
37
stiff(strain, firmness, labour, hardiness)
25
viable(strain, firmness, labour, hardiness)
24
impregnable(strain, firmness, labour, safety)
22
durable(strain, firmness, labour, hardiness)
19
fast(strain, firmness, labour, hardiness)
19
refractory(strain, firmness, labour, hardiness)
19
resilient(strain, firmness, labour, hardiness)
19
rock-solid(strain, firmness, labour, hardiness)
19
stout(strain, firmness, labour, hardiness)
19
substantial(strain, firmness, labour, hardiness)
19
tolerant(sound, strain, sensible, rational)
16
justifiable(sound, right, reasonable, slight)
15
defensible(attack, sound, right, reasonable)
14
plausible(sound, reasonable, slight, sensible)
12
credible(sound, reasonable, sensible, rational)
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APASmart Define. (2015). tenable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/tenable/thesaurus/synonyms
ChicagoSmart Define. 2015. "tenable thesaurus" https://smartdefine.org/tenable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, tenable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/tenable/thesaurus/synonyms>.
MLASmart Define. "tenable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/tenable/thesaurus/synonyms>