ceaseless
Without any pause
Ceaseless means without stopping or pause—continuous and unending.
The word emphasizes relentless persistence: the ceaseless roar of traffic, ceaseless efforts to find a cure.
It carries a sense of weariness or inevitability that endless or continuous might not: Her ceaseless complaints wore everyone down.
Lasting without end
- perpetualLasting without interruption
- everlastingLasting for all time
- timelessUnaffected by eras
- endlessWithout termination or boundary
interminable · unending · ageless · immortal · perennial · abiding · enduring · lasting
Continuing without a stop
- unbrokenNot damaged or interrupted
- continuousWithout pause or gap
- constantFixed, unvarying quantity
- sustainedKept up continuously
nonstop · steady · ongoing · round-the-clock · unremitting · day-and-night · around-the-clock · without end
Refusing to let up
- relentlessContinuing without pause
- inexorableImpossible to prevent
- unstoppableImpossible to halt
- unabatingNot decreasing in intensity
persistent · dogged · unyielding · remorseless · merciless · punishing · grinding · oppressive
Happening repeatedly over time
- repeatedDone or said again
- cyclicalRepeating in rounds
- rhythmicHaving regular tempo
- monotonousUnchangingly dull
drumming · pounding · droning · hammering · throbbing · pulsing · beating · looping
Incapable of wearying
- unflaggingPersistently energetic
- unweariedNot made tired
- energeticHaving much vigor
- industriousDevoted to steady effort
diligent · assiduous · persevering · vigorous · untiring · dedicated · driven · hardworking
eternal
Lasting without end
- perpetualLasting without interruption
- everlastingLasting for all time
- timelessUnaffected by eras
endless · interminable · unending · ageless · immortal · perennial · abiding · enduring · lasting · permanent
uninterrupted
Continuing without a stop
- unbrokenNot damaged or interrupted
- continuousWithout pause or gap
- constantFixed, unvarying quantity
sustained · nonstop · steady · ongoing · round-the-clock · unremitting · day-and-night · around-the-clock · without end · seamless
unrelenting
Refusing to let up
- relentlessContinuing without pause
- inexorableImpossible to prevent
- unstoppableImpossible to halt
unabating · persistent · dogged · unyielding · remorseless · merciless · punishing · grinding · oppressive · battering
recurring
Happening repeatedly over time
monotonous · drumming · pounding · droning · hammering · throbbing · pulsing · beating · looping · iterative
indefatigable
Incapable of wearying
- unflaggingPersistently energetic
- unweariedNot made tired
- energeticHaving much vigor
industrious · diligent · assiduous · persevering · vigorous · untiring · dedicated · driven · hardworking · determined
- Infinityinfinity, endless, eternal, boundless, limitless
- nonstop24/7, always, around the clock, constant, continuous
- repetitionagain, repeat, repeated, recurring, recurrence
- eternityeternity, everlasting, eternal, timeless, perpetuity
- frequencyfrequency, hertz, Hz, kilohertz, megahertz
ceaselessintermittent
Occurring at irregular intervals
sporadic · periodic · occasional · discontinuous · interrupted