Synonyms|380Antonyms|79|Broader|7Narrower|21Related|160
2
immobility(noun, support, control, strength, balance)
2
immovability(noun, support, control, strength, balance)
2
peel(noun, hold, keep, stronghold, seat)
2
protection(noun, cover, position, guard, shield)
2
refuge(noun, defense, refuge)
2
shelter(noun, cover, position, guard, shield)
2
solidity(noun, support, control, strength, balance)
2
sureness(noun, support, control, change, strength)
1
abruptness(noun, haste)
1
acceleration
1
action center
1
adherence(noun, support, control, strength, balance)
1
air speed
1
airbase
1
alacrity
1
alcazar(noun, hold, keep, stronghold, seat)
1
almshouse
1
ark
1
assurance(noun, support, control, strength, balance)
1
backbone(noun, support, control, strength, balance)
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APASmart Define. (2015). fastness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fastness/thesaurus/synonyms
ChicagoSmart Define. 2015. "fastness thesaurus" https://smartdefine.org/fastness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fastness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fastness/thesaurus/synonyms>.
MLASmart Define. "fastness thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/fastness/thesaurus/synonyms>