laborious

adj 0.779

arduous

adj 0.729

tiresome

adj 0.718

wearisome

adj 0.706

tedious

adj 0.702

painstaking

adj 0.660

laboured

adj 0.658

tiring

adj 0.653

burdensome

adj 0.638

gruelling

adj 0.632

strenuous

adj 0.629

troublesome

adj 0.617

sedulous

adj 0.617

hardworking

adj 0.616

effortful

adj 0.610

industrious

adj 0.605

backbreaking

adj 0.604

torturous

adj 0.601

tireless

adj 0.591

assiduous

adj 0.591

exhausting

adj 0.587

onerous

adj 0.585

work-intensive

adj 0.581

cumbersome

adj 0.579

untiring

adj 0.579

ponderous

adj 0.578

tortuous

adj 0.573

hardscrabble

adj 0.569

difficult

adj 0.566

weary

adj 0.564

diligent

adj 0.562

irksome

adj 0.560

bothersome

adj 0.559

labor-intensive

adj 0.556

cumbrous

adj 0.554

plodding

adj 0.541

lengthy

adj 0.536

overworked

adj 0.532

tough

adj 0.531

painful

adj 0.528

troubling

adj 0.526

hard put

adj 0.523

unwearied

adj 0.523

taxing

adj 0.522

tired

adj 0.521

tormenting

adj 0.516

slothful

adj 0.513

fatigable

adj 0.513

rigorous

adj 0.512

daunting

adj 0.511

stressful

adj 0.509

careworn

adj 0.509

hard-won

adj 0.508

long-winded

adj 0.505

perseverant

adj 0.504

dreary

adj 0.503

draggy

adj 0.503

lumbering

adj 0.503

distressful

adj 0.503

suffering

adj 0.502

thankless

adj 0.501

harrowing

adj 0.501