healthy as a horse

adj 0.815

strong

adj 0.683

steady as a rock

adj 0.625

sturdy

adj 0.624

stubborn as a mule

adj 0.617

hard as nails

adj 0.606

rock hard

adj 0.604

iron-hearted

adj 0.596

brawny

adj 0.589

made of sterner stuff

adj 0.583

horsy

adj 0.581

stiff as a poker

adj 0.580

headstrong

adj 0.579

bombproof

adj 0.579

powerful

adj 0.578

strong-willed

adj 0.574

stouthearted

adj 0.573

horselike

adj 0.569

big as a barn

adj 0.567

fit as a fiddle

adj 0.565

forte

adj 0.565

orse

adj 0.564

strong nuclear

adj 0.563

robust

adj 0.555

industrial strength

adj 0.554

stout

adj 0.553

stiff as a board

adj 0.551

mighty

adj 0.549

fortis

adj 0.549

tough

adj 0.540

horseflesh

adj 0.539

muscled

adj 0.536

good as gold

adj 0.535

stalwart

adj 0.534

bulletproof

adj 0.532

man enough

adj 0.529

heavyweight

adj 0.523

vigorous

adj 0.522

smart as a whip

adj 0.521

ironclad

adj 0.521

sick as a dog

adj 0.520

potent

adj 0.520

strapping

adj 0.520

bullheaded

adj 0.518

light as a feather

adj 0.518

stiff

adj 0.517

rock-ribbed

adj 0.515

muscly

adj 0.514

hardy

adj 0.513

burly

adj 0.513

lionhearted

adj 0.512

robustious

adj 0.512

beefy

adj 0.512

unbreakable

adj 0.511

muscular

adj 0.510

right as rain

adj 0.508

drunk as a lord

adj 0.506

bold as brass

adj 0.504

sound as a bell

adj 0.503

old as the hills

adj 0.503

surefooted

adj 0.503

musclebound

adj 0.502

hefty

adj 0.502

husky

adj 0.501

hearty

adj 0.500