callous 7 Associations

calloused thickened tough (similar term) toughened (similar term)

calloused 9 Associations

callous thickened tough (similar term) toughened (similar term)

cartilaginous 13 Associations

gristly rubbery tough (similar term)

chewy 5 Associations

tough (similar term)

coriaceous 10 Associations

leathered leatherlike leathery tough (similar term)

enured 6 Associations

inured hardened tough (similar term) toughened (similar term)

fibrous 7 Associations

hempen tough (similar term)

fibrous 7 Associations

sinewy stringy unchewable tough (similar term)

gristly 7 Associations

cartilaginous rubbery tough (similar term)

hard-bitten 11 Associations

hard-boiled pugnacious tough (similar term)

hard-boiled 11 Associations

hard-bitten pugnacious tough (similar term)

hardened 8 Associations

enured inured tough (similar term) toughened (similar term)

hempen 6 Associations

fibrous tough (similar term)

inured 6 Associations

enured hardened tough (similar term) toughened (similar term)

leathered 9 Associations

coriaceous leatherlike leathery tough (similar term)

leatherlike 11 Associations

coriaceous leathered leathery tough (similar term)

leathery 8 Associations

coriaceous leathered leatherlike tough (similar term)

pugnacious 10 Associations

hard-bitten hard-boiled tough (similar term)

rubbery 7 Associations

cartilaginous gristly tough (similar term)

rugged 6 Associations

hardy (similar term) knockabout (similar term) sturdy (similar term) tough (similar term) robust (related term) strong (related term) tough (related term)