19
achieve(verb, take, make, get, advance)
19
protected(adjective, state, quiet, perfect, safe)
18
catch(verb, move, hold, take, make)
17
defend(verb, support, close, cover, attack)
17
ensure(verb, support, maintain, secure, agree)
17
fast(adjective, state, calm, strong, free)
17
guarantee(noun, verb, give, cover, agree)
17
solid(adjective, calm, strong, hard, sound)
17
assure(verb, support, cover, keep, maintain)
17
capture(verb, move, hold, take, make)
17
certain(adjective, clear, sound, firm, solid)
17
fixed(adjective, state, strong, hard, sound)
17
sound(noun, adjective, calm, good, clear)
17
strong(adjective, calm, strong, hard, sound)
15
guard(noun, verb, hold, close, cover)
15
affix(verb, hold, close, set, fix)
15
anchor(verb, move, hold, set, fix)
15
assured(verb, adjective, firm, attitude, solid)
15
insure(verb, support, hold, cover, maintain)
15
protect(verb, support, hold, close, cover)
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APASmart Define. (2015). secure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/secure/thesaurus/synonyms
ChicagoSmart Define. 2015. "secure thesaurus" https://smartdefine.org/secure/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, secure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/secure/thesaurus/synonyms>.
MLASmart Define. "secure thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/secure/thesaurus/synonyms>