0
fossilized
0
gelatinous
0
gloppy
0
gluey
0
gummous
0
gunky
0
hard(adjective, tough, solid, rigid, inflexible)
0
hard-bitten
0
hard-handed
0
hard and fast
0
hard as nails
0
heavy(adjective, hard, tough, solid, rigid)
0
hooked up
0
igneous
0
immalleable
0
impliable
0
in accord
0
in cahoots
0
incorporated
0
inflexible(adjective, hard, tough, solid, rigid)
13 years ago|1.1k views|share |citing 
APASmart Define. (2013). close-grained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/close-grained/thesaurus/synonyms
ChicagoSmart Define. 2013. "close-grained thesaurus" https://smartdefine.org/close-grained/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, close-grained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/close-grained/thesaurus/synonyms>.
MLASmart Define. "close-grained thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/close-grained/thesaurus/synonyms>