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WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS

WORDNET DICTIONARY

Adverbial endlessly has 4 senses

• endlessly(r = adv.all) infinitely - continuing forever without end; "there are infinitely many possibilities"
• endlessly(r = adv.all) ceaselessly, continuously, incessantly, unceasingly, unendingly - with unflagging resolve; "dance inspires him ceaselessly to strive higher and higher toward the shining pinnacle of perfection that is the goal of every artiste"
• endlessly(r = adv.all) Array - (spatial sense) without bounds; "the Nubian desert seemed to stretch out before them endlessly"
• endlessly(r = adv.all) interminably - all the time; seemingly without stopping; "a theological student with whom I argued interminably"; "her nagging went on endlessly"

CIDE DICTIONARY

THESAURUS

endlessly

ad infinitum, again and again, at a stretch, boresomely, boringly, boundlessly, ceaselessly, connectedly, constantly, continually, continuously, cumulatively, cyclically, drearisomely, dully, eternally, everlastingly, fatiguingly, forever, harpingly, illimitably, immeasurably, immensely, in perpetuity, incalculably, incessantly, incomprehensibly, indestructibly, infinitely, innumerably, interminably, irksomely, limitlessly, measurelessly, monotonously, never-endingly, on a stretch, on and on, on end, perdurably, perennially, permanently, perpetually, repetitively, round the clock, steadily, tediously, time without end, tiresomely, to infinity, together, unbrokenly, unceasingly, unendingly, unintermittently, uninterruptedly, unrelievedly, unvaryingly, wearisomely, wearyingly, without a break, without cease, without end, without limit, without stopping, world without end

For further exploring for "endlessly" in Webster Dictionary Online