ageless

adj 0.800

eternal

adj 0.697

everlasting

adj 0.674

age-old

adj 0.661

for the ages

adj 0.652

all-time

adj 0.643

omnitemporal

adj 0.639

timeworn

adj 0.636

lost in time

adj 0.634

immortal

adj 0.632

changeless

adj 0.631

time-tested

adj 0.628

deathless

adj 0.622

unfading

adj 0.619

everliving

adj 0.616

imperishable

adj 0.610

forever

adj 0.610

ternal

adj 0.610

undying

adj 0.610

priceless

adj 0.605

evergreen

adj 0.604

perpetual

adj 0.600

untimed

adj 0.600

time-invariant

adj 0.591

classic

adj 0.585

measureless

adj 0.584

lasting

adj 0.583

enduring

adj 0.583

endless

adj 0.578

unending

adj 0.574

unchanging

adj 0.573

fadeless

adj 0.572

neverending

adj 0.571

invariant

adj 0.569

ahistoric

adj 0.568

longtime

adj 0.567

perennial

adj 0.564

temporal

adj 0.561

limitless

adj 0.561

everchanging

adj 0.561

tireless

adj 0.555

illimitable

adj 0.551

unfaded

adj 0.551

sempiternal

adj 0.549

peerless

adj 0.549

infinite

adj 0.546

unforgettable

adj 0.546

perdurable

adj 0.545

amaranthine

adj 0.542

interminable

adj 0.540

spaceless

adj 0.540

lifelong

adj 0.539

ceaseless

adj 0.538

unalterable

adj 0.538

coeternal

adj 0.537

constant

adj 0.537

ahistorical

adj 0.535

long-lived

adj 0.535

imprescriptible

adj 0.533

indelible

adj 0.533

timeous

adj 0.533

matchless

adj 0.533

immutable

adj 0.532

timewise

adj 0.532

boundless

adj 0.531

imitable

adj 0.530

invincible

adj 0.529

unitless

adj 0.528

undatable

adj 0.528

agnostic

adj 0.526

unlimited

adj 0.526

vintage

adj 0.525

dimensionless

adj 0.524

invariable

adj 0.523

timed

adj 0.522

anytime

adj 0.521

ancient

adj 0.521

old as the hills

adj 0.521

antique

adj 0.517

permeant

adj 0.517

unhistoric

adj 0.516

timely

adj 0.516

nonperishable

adj 0.515

classless

adj 0.515

finite

adj 0.515

indestructible

adj 0.514

unbroken

adj 0.514

ineffaceable

adj 0.513

timelike

adj 0.512

flawless

adj 0.512

ever-present

adj 0.511

inimitable

adj 0.510

unconditional

adj 0.510

undated

adj 0.509

unchangeable

adj 0.508

inestimable

adj 0.508

nonvintage

adj 0.507

legendary

adj 0.507

impermanent

adj 0.507

historic

adj 0.506