39 entries under substantial topic. ×

14
closed(verb, adjective, strong, secure, solid)
13
fixed(noun, verb, adjective, strong, sound)
10
secured(verb, adjective, strong, secure, firm)
9
set(adjective, strong, firm, solid, fast)
8
secure(adjective, strong, sound, firm, solid)
7
cemented(verb, adjective, strong, secure)
7
fast(adjective, strong, sound, secure, firm)
7
tight(adjective, strong, secure, firm, solid)
6
anchored(verb, adjective, strong, secure, solid)
6
bolted(verb, adjective, strong, secure, short)
5
welded(verb, adjective, strong, secure)
4
settled(adjective, strong, secure, stable)
4
tenacious(adjective, strong, secure, firm, solid)
2
solid(adjective, strong, stable, sure)
2
stable(adjective, strong, secure, firm, solid)
2
steady(adjective, strong, secure, solid)
2
tightened(verb, strong, secure, stable)
2
braced(verb, strong, secure, stable)
2
immovable(adjective, strong, secure, firm, solid)
2
riveted(verb, adjective, strong, secure, firm)
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APASmart Define. (2016). fastened thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fastened/thesaurus/synonyms
ChicagoSmart Define. 2016. "fastened thesaurus" https://smartdefine.org/fastened/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, fastened thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fastened/thesaurus/synonyms>.
MLASmart Define. "fastened thesaurus" 11 February 2016. Web. 24 September 2026. <https://smartdefine.org/fastened/thesaurus/synonyms>