tenacious

adj 0.856

perseverant

adj 0.810

obstinate

adj 0.765

perseverative

adj 0.761

persevering

adj 0.752

obdurate

adj 0.718

stubborn

adj 0.715

persistent

adj 0.703

dogged

adj 0.691

steadfast

adj 0.684

insistent

adj 0.683

perseverating

adj 0.681

indefatigable

adj 0.650

importunate

adj 0.643

adamant

adj 0.628

unrelenting

adj 0.628

hardheaded

adj 0.627

intransigent

adj 0.625

relentless

adj 0.624

assiduous

adj 0.622

recalcitrant

adj 0.618

incessant

adj 0.616

unyielding

adj 0.614

pigheaded

adj 0.611

resolute

adj 0.611

bullheaded

adj 0.608

intractable

adj 0.606

implacable

adj 0.605

unswerving

adj 0.602

unremitting

adj 0.602

sedulous

adj 0.602

untiring

adj 0.598

inveterate

adj 0.598

determined

adj 0.597

unwavering

adj 0.596

headstrong

adj 0.590

adherent

adj 0.588

inexorable

adj 0.584

diligent

adj 0.582

obstreperous

adj 0.573

staunch

adj 0.573

perdurable

adj 0.571

strong-willed

adj 0.569

stalwart

adj 0.569

perennial

adj 0.565

tireless

adj 0.562

stubborn as a mule

adj 0.562

hard-set

adj 0.561

adamantine

adj 0.561

perpetual

adj 0.560

painstaking

adj 0.558

retentive

adj 0.557

unflinching

adj 0.556

undeviating

adj 0.554

indomitable

adj 0.547

undeterred

adj 0.547

diehard

adj 0.545

pernickety

adj 0.545

unflagging

adj 0.545

enduring

adj 0.542

untractable

adj 0.542

pesky

adj 0.541

abiding

adj 0.540

mulish

adj 0.536

hard-nosed

adj 0.535

resistant

adj 0.535

obsessive

adj 0.535

petitive

adj 0.533

unwearied

adj 0.532

unfaltering

adj 0.530

pugnacious

adj 0.525

hidebound

adj 0.525

uncompromising

adj 0.523

retaining

adj 0.523

consistent

adj 0.520

pesty

adj 0.518

resilient

adj 0.518

inflexible

adj 0.517

rigorous

adj 0.517

perpetuate

adj 0.517

permeant

adj 0.517

zealous

adj 0.515

singleminded

adj 0.514

persuasive

adj 0.513

perse

adj 0.511

plucky

adj 0.511

incorrigible

adj 0.510

unshakable

adj 0.507

loyal

adj 0.507

refractory

adj 0.506

punctilious

adj 0.506

pushy

adj 0.505

permanent

adj 0.504

protracted

adj 0.503

dogmatic

adj 0.503

tedious

adj 0.503

imperturbable

adj 0.503

unceasing

adj 0.503

ineradicable

adj 0.502

continual

adj 0.502