hardened

adj 0.676

hardenable

adj 0.631

hard

adj 0.619

hard-boiled

adj 0.613

hardcover

adj 0.598

hard-set

adj 0.593

hard put

adj 0.577

hardy

adj 0.576

cased

adj 0.575

casebound

adj 0.568

hardball

adj 0.567

iron-hearted

adj 0.561

ironclad

adj 0.560

case sensitive

adj 0.560

diehard

adj 0.559

unhardened

adj 0.559

indurated

adj 0.558

hard-nosed

adj 0.554

ironbound

adj 0.550

indurate

adj 0.549

brassbound

adj 0.544

ruggedized

adj 0.541

armored

adj 0.539

iron

adj 0.539

coded

adj 0.538

hardback

adj 0.538

handled

adj 0.537

cast iron

adj 0.537

protected

adj 0.536

rock hard

adj 0.535

steel

adj 0.535

hardwood

adj 0.535

hardline

adj 0.531

uppercase

adj 0.529

armoured

adj 0.527

shelled

adj 0.527

callused

adj 0.526

hard-and-fast

adj 0.523

cracked

adj 0.520

bullet-headed

adj 0.520

hafted

adj 0.519

hare

adj 0.519

rusted

adj 0.518

sharped

adj 0.518

leather-hard

adj 0.517

hardbound

adj 0.516

chested

adj 0.516

castled

adj 0.515

sharp

adj 0.514

hard as nails

adj 0.514

hard-featured

adj 0.512

half shell

adj 0.511

hardheaded

adj 0.509

case dependent

adj 0.509

rusty

adj 0.508

hardwired

adj 0.508

hammered

adj 0.508

harsh

adj 0.507

nitrided

adj 0.507

coppered

adj 0.507

metal

adj 0.506

hardhearted

adj 0.505

scarred

adj 0.505

battered

adj 0.504

stone cold

adj 0.503

guarded

adj 0.503

case insensitive

adj 0.503

cracking

adj 0.502

covered

adj 0.502

rugged

adj 0.501

etched

adj 0.501