Synonyms|40Antonyms|0|Broader|0Narrower|0Related|2
1
buttoned up(expression, adjective, secure, safe, snug)
1
cherished(adjective, secure, safe, snug, intact)
1
free from danger(expression, adjective, idiom, secure, safe)
1
guarded(adjective, secure, safe, snug, intact)
1
home-free(adjective, secure, safe, snug, intact)
1
impervious(adjective, secure, safe, snug, intact)
1
impregnable(adjective, secure, safe, snug, intact)
1
in custody
1
in safety(expression, adjective, secure, safe, snug)
1
intact(adjective, secure, safe, snug, sheltered)
1
inviolable(adjective, secure, safe, snug, intact)
1
invulnerable(adjective, secure, safe, snug, intact)
1
maintained(adjective, secure, safe, snug, intact)
1
okay(adjective, secure, safe, snug, intact)
1
out of danger(expression, adjective, idiom, secure, safe)
1
preserved(adjective, secure, safe, snug, intact)
1
protected(adjective, secure, safe, snug, intact)
1
safe(adjective, secure, harm, snug, intact)
1
safe and sound(expression, adjective, idiom, secure, safe)
1
safeguarded(adjective, secure, safe, snug, intact)
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APASmart Define. (2011). under lock and key thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/under_lock_and_key/thesaurus/synonyms
ChicagoSmart Define. 2011. "under lock and key thesaurus" https://smartdefine.org/under_lock_and_key/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, under lock and key thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/under_lock_and_key/thesaurus/synonyms>.
MLASmart Define. "under lock and key thesaurus" 23 May 2011. Web. 20 September 2026. <https://smartdefine.org/under_lock_and_key/thesaurus/synonyms>