perennial

adj 0.809

eternal

adj 0.785

permanent

adj 0.773

everlasting

adj 0.768

permeant

adj 0.746

continual

adj 0.739

perpetuate

adj 0.728

ternal

adj 0.717

unending

adj 0.706

persistent

adj 0.705

forever

adj 0.704

neverending

adj 0.703

self-perpetuating

adj 0.684

lifelong

adj 0.680

sempiternal

adj 0.668

continuous

adj 0.658

interminable

adj 0.658

everliving

adj 0.649

endless

adj 0.648

perseverative

adj 0.647

lasting

adj 0.643

semipermanent

adj 0.643

ever-burning

adj 0.638

chronic

adj 0.636

incessant

adj 0.635

perdurable

adj 0.635

imperishable

adj 0.633

constant

adj 0.632

everchanging

adj 0.631

everflowing

adj 0.626

ever-present

adj 0.626

periodic

adj 0.622

year-round

adj 0.621

evergreen

adj 0.620

persevering

adj 0.617

infinite

adj 0.614

unremitting

adj 0.614

undying

adj 0.614

ceaseless

adj 0.611

nonterminating

adj 0.607

ongoing

adj 0.604

durative

adj 0.604

unceasing

adj 0.603

perseverant

adj 0.602

timeless

adj 0.600

omnitemporal

adj 0.598

nonperiodic

adj 0.596

impermanent

adj 0.596

unfading

adj 0.595

immortal

adj 0.594

perseverating

adj 0.591

enduring

adj 0.591

nonperishable

adj 0.588

long-running

adj 0.586

ever-varying

adj 0.585

periodical

adj 0.583

long-lived

adj 0.583

amaranthine

adj 0.581

whole-life

adj 0.581

finite

adj 0.579

unintermitted

adj 0.578

untiring

adj 0.577

momentary

adj 0.577

continuative

adj 0.574

terminable

adj 0.571

yearlong

adj 0.571

sustained

adj 0.570

irreversible

adj 0.570

indelible

adj 0.570

changeless

adj 0.569

unfailing

adj 0.567

nonstop

adj 0.566

abiding

adj 0.566

relentless

adj 0.566

livelong

adj 0.565

unchanging

adj 0.565

prolonged

adj 0.563

unlimited

adj 0.561

uninterruptible

adj 0.561

inveterate

adj 0.560

pertinacious

adj 0.560

ageless

adj 0.559

ephemeral

adj 0.557

period

adj 0.557

annual

adj 0.557

irrevocable

adj 0.557

tireless

adj 0.553

inexhaustible

adj 0.552

unrelenting

adj 0.550

coeternal

adj 0.550

transitory

adj 0.549

aperiodic

adj 0.548

all-day

adj 0.548

astable

adj 0.548

nonseasonal

adj 0.546

habitual

adj 0.546

indefatigable

adj 0.545

recurring

adj 0.545

evergrowing

adj 0.544

indissoluble

adj 0.544