12
flexible(adjective, firm, pliable, bendable)
9
royal
8
soft(adjective, weak, low, heavy, lenient)
7
cheap
6
easy
5
comfortable
5
floppy(adjective, limp)
5
frugal
5
informal(adjective, simple, casual, ceremonious)
5
pliable(adjective, hard, rigid, adaptable, bendable)
5
supple(adjective, thick, bendable)
5
vacillant
4
affordable(adjective, expensive, high-priced, pricey, pricely)
4
graceful(adjective, rough, coarse, graceless)
4
limp(adjective, hard, weak, firm, stiff)
4
malleable(adjective, rigid, pliable)
3
agile(adjective, nimble, deft, physically)
3
easily moulded
3
elastic(adjective, pliant, rubbery)
3
feeling
<1234510>
10 years ago|4.8k views|share |citing 
APASmart Define. (2015). stiff thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/stiff/thesaurus/antonyms
ChicagoSmart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2015, stiff thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/stiff/thesaurus/antonyms>.
MLASmart Define. "stiff thesaurus" 24 December 2015. Web. 21 September 2026. <https://smartdefine.org/stiff/thesaurus/antonyms>