perpetual

adj 0.809

evergreen

adj 0.705

year-round

adj 0.697

eternal

adj 0.689

permanent

adj 0.682

persistent

adj 0.676

everlasting

adj 0.667

continual

adj 0.661

permeant

adj 0.660

ternal

adj 0.646

lifelong

adj 0.644

sempiternal

adj 0.640

chronic

adj 0.632

yearlong

adj 0.622

annual

adj 0.620

everliving

adj 0.617

ever-present

adj 0.614

semipermanent

adj 0.612

multiyear

adj 0.612

recurring

adj 0.612

periodical

adj 0.611

perdurable

adj 0.609

yearly

adj 0.608

periodic

adj 0.608

lasting

adj 0.606

forever

adj 0.598

enduring

adj 0.598

perpetuate

adj 0.596

neverending

adj 0.596

persevering

adj 0.594

long-lived

adj 0.594

undying

adj 0.591

recurrent

adj 0.590

long-running

adj 0.589

nonseasonal

adj 0.589

self-perpetuating

adj 0.589

perseverative

adj 0.587

unending

adj 0.585

perseverant

adj 0.583

biennial

adj 0.573

age-old

adj 0.569

pertinacious

adj 0.565

interannual

adj 0.565

everbearing

adj 0.565

timeless

adj 0.564

seasonal

adj 0.563

livelong

adj 0.560

interminable

adj 0.560

everchanging

adj 0.558

inveterate

adj 0.557

omnitemporal

adj 0.554

continuous

adj 0.552

perseverating

adj 0.552

durative

adj 0.552

ongoing

adj 0.551

longtime

adj 0.549

imperishable

adj 0.548

ageless

adj 0.548

whole-life

adj 0.548

long-ranging

adj 0.546

decennial

adj 0.544

ever-burning

adj 0.544

evergrowing

adj 0.542

nonperishable

adj 0.542

unfading

adj 0.541

period

adj 0.541

everflowing

adj 0.539

endless

adj 0.538

pervasive

adj 0.533

nonperiodic

adj 0.533

habitual

adj 0.532

constant

adj 0.530

ever-varying

adj 0.529

incessant

adj 0.529

circannual

adj 0.528

abiding

adj 0.527

immortal

adj 0.527

nonterminating

adj 0.527

all-time

adj 0.526

ephemeral

adj 0.526

deciduous

adj 0.525

multiperiod

adj 0.523

triennial

adj 0.522

long-playing

adj 0.521

amaranthine

adj 0.521

vernal

adj 0.518

quotidian

adj 0.518

infinite

adj 0.517

renewable

adj 0.516

biannual

adj 0.516

repeating

adj 0.515

everyday

adj 0.514

all-day

adj 0.513

long-held

adj 0.512

durable

adj 0.512

continuative

adj 0.511

perse

adj 0.510

ubiquitous

adj 0.509

impermanent

adj 0.509

prolonged

adj 0.508