55 entries under adjective topic. ×

1
immotile(secure, still, fixed, rigid)
1
immovable(strong, secure, solid, steady)
1
iron(strong, solid, stable, sure)
1
knobbed
1
locked(verb, strong, sound, secure)
1
made fast(expression, secure, rigid, inflexible)
1
nailed down(expression, still, fixed, stationary)
1
safe(calm, strong, secure, firm)
1
safe and sound(expression, idiom, strong, solid)
1
set in stone(expression, idiom, calm, strong)
1
solid(calm, strong, secure, firm)
1
solid as a rock(expression, idiom, calm, strong)
1
stabile(calm, strong, solid, steady)
1
staunch(calm, strong, secure, firm)
1
staying put(expression, calm, strong, substantial)
1
steady(calm, strong, secure, firm)
1
strong(calm, secure, firm, solid)
1
sure(calm, strong, secure, firm)
1
tenacious(strong, secure, solid, steady)
1
unfluctuating(calm, strong, secure, solid)
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APASmart Define. (2015). nailed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nailed/thesaurus/synonyms
ChicagoSmart Define. 2015. "nailed thesaurus" https://smartdefine.org/nailed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, nailed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nailed/thesaurus/synonyms>.
MLASmart Define. "nailed thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/nailed/thesaurus/synonyms>