46 entries under tough topic. ×

2
unflexible(adjective, hard, firm, solid)
1
congealed(adjective, hard, firm, solid)
1
distant(adjective, firm, fixed, rigid)
1
do or die(expression, adjective, idiom, firm)
1
dug in(expression, adjective, firm, distant)
1
formal(adjective, firm, fixed, distant)
1
hard as nails(expression, adjective, idiom, firm)
1
hardened(adjective, hard, firm, solid)
1
hold the fort(expression, adjective, idiom, firm)
1
hold the line(expression, adjective, idiom, firm)
1
jelled(adjective, hard, firm, solid)
1
locked in(expression, adjective, severe, firm)
1
refractory(adjective, hard, firm, solid)
1
single-minded(adjective, severe, firm, harsh)
1
solidified(adjective, hard, firm, solid)
1
thick(adjective, set, hard, firm)
1
uptight(adjective, firm, fixed, distant)
0
close(hard, solid, rigid, inflexible)
0
close-grained(hard, solid, rigid, inflexible)
0
concrete(hard, solid, rigid, inflexible)
11 years ago|6.4k views|share |citing 
APASmart Define. (2015). inelastic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inelastic/thesaurus/synonyms
ChicagoSmart Define. 2015. "inelastic thesaurus" https://smartdefine.org/inelastic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, inelastic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inelastic/thesaurus/synonyms>.
MLASmart Define. "inelastic thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/inelastic/thesaurus/synonyms>