heartbreaking

adj 0.664

gruelling

adj 0.655

arduous

adj 0.634

breakneck

adj 0.617

burdensome

adj 0.613

toilsome

adj 0.604

exhausting

adj 0.602

crippling

adj 0.602

hardscrabble

adj 0.596

tiring

adj 0.595

work-intensive

adj 0.594

hard put

adj 0.591

heartrending

adj 0.587

laborious

adj 0.584

crushing

adj 0.584

breakbone

adj 0.584

gut-wrenching

adj 0.578

onerous

adj 0.576

strenuous

adj 0.574

harrowing

adj 0.570

unbearable

adj 0.566

debilitating

adj 0.565

hardworking

adj 0.565

heavy

adj 0.564

gut-busting

adj 0.563

wearisome

adj 0.560

breakable

adj 0.559

weight-bearing

adj 0.558

bone-shaking

adj 0.557

painful

adj 0.557

painstaking

adj 0.555

make-or-break

adj 0.553

overworked

adj 0.551

hard

adj 0.550

load bearing

adj 0.544

overburdened

adj 0.544

brutalizing

adj 0.538

tiresome

adj 0.537

load-bearing

adj 0.537

laboured

adj 0.534

superheavy

adj 0.529

excruciating

adj 0.529

torturous

adj 0.528

rock hard

adj 0.527

heavy-hearted

adj 0.527

unendurable

adj 0.527

broken-down

adj 0.525

tough

adj 0.519

pounding

adj 0.519

heartbroken

adj 0.518

hardpressed

adj 0.515

brutal

adj 0.515

hard-set

adj 0.514

agonizing

adj 0.513

bearing

adj 0.512

earsplitting

adj 0.512

cumbersome

adj 0.511

harsh

adj 0.510

cracking

adj 0.510

labor-intensive

adj 0.508

distressing

adj 0.507

hardback

adj 0.507

earthshattering

adj 0.506

suffering

adj 0.506

taxing

adj 0.506

galling

adj 0.505

grievous

adj 0.504

heavyweight

adj 0.503

oppressive

adj 0.502

unrelenting

adj 0.502

weary

adj 0.501

cumbrous

adj 0.501