perpetual
Without any end
Perpetual describes something that continues indefinitely or never stops: perpetual motion, perpetual winter.
In legal contexts, it means lasting forever without renewal: a perpetual license, a perpetual trust.
The word often carries a sense of weariness—a perpetual headache or perpetual complaints suggests something that never lets up.
She lived in perpetual fear of being discovered.
Lasting for all time
- endlessWithout termination or boundary
- immortalCannot die
- undyingLasting without end
- timelessUnaffected by eras
ageless · infinite · imperishable · deathless · sempiternal · immutable · indestructible · unchanging
Fixed, unvarying quantity
- uninterruptedContinuing without a stop
- steadyFixed, not fluctuating
- sustainedKept up continuously
- ongoingIn progress now
ceaseless · incessant · unbroken · unremitting · relentless · unceasing · nonstop · around-the-clock
Confidence in another
- endowmentPermanent donated fund
- annuityPeriodic fixed payment
- bondBinding tie or connection
- calendarDate-tracking system
lease · license · easement · covenant · succession · inventory · royalty · copyright
Refusing to give way
- tenaciousStubbornly determined to continue
- doggedStubbornly persevering
- resoluteFixed in purpose
- steadfastFirmly loyal, unshakeable
unwavering · indefatigable · determined · relentless · obstinate · stubborn · unshakeable · indomitable
everlasting
Lasting for all time
timeless · ageless · infinite · imperishable · deathless · sempiternal · immutable · indestructible · unchanging · abiding
constant
Fixed, unvarying quantity
- uninterruptedContinuing without a stop
- steadyFixed, not fluctuating
- sustainedKept up continuously
ongoing · ceaseless · incessant · unbroken · unremitting · relentless · unceasing · nonstop · around-the-clock · unabated
trust
Confidence in another
calendar · lease · license · easement · covenant · succession · inventory · royalty · copyright
unyielding
Refusing to give way
steadfast · unwavering · indefatigable · determined · relentless · obstinate · stubborn · unshakeable · indomitable · assiduous
recurring
Happening repeatedly over time
- recurrentHappening multiple times
- repetitiveMarked by recurrence
- repeatingOccurring more than once
cyclical · seasonal · annual · rotation · renewal · return · revolving · periodic · habitual · regular
- time wordsminute, hour, day, now, soon
- Infinityinfinity, endless, eternal, boundless, limitless
- continuousconstant, eternal, continuous, infinite, nonstop
- nonstop24/7, always, around the clock, constant, continuous
- Timeless thingsclassic, eternal, ageless, enduring, immortal
- lease termslease term, rental agreement, lease, rental contract, rent payment
perpetualintermittent
Occurring at irregular intervals
sporadic · occasional · periodic · discontinuous · fitful
- perpetual warWarfare without termination
- perpetual motionUnending movement without input
- in perpetuityFor an unlimited duration
- perpetual motion machineSelf-sustaining impossible mechanism
- perpetual careCemetery maintenance fund agreement
- perpetual licensesOne-time purchase software rights
perpetuate, perpetually, perpetuity, perpetuation, perpetuating, perpetuated, perpetuates, perpetuators, perpetuator