on end
WordReference English Thesaurus © 2025
Sense: ceaselessly, without interruption, continuously
Synonyms:
ceaseless, ceaselessly, without interruption, uninterrupted, unceasingly, unceasing, without ceasing, continuously, continuous Collocations, continually, continual, consecutively, consecutive, one after the other, one after another, unendingly, unending, relentless Collocations, relentlessly, endless Collocations, endlessly, interminable, interminably, incessant, incessantly, unbroken, uninterruptedly, without a break, without stopping, at a stretch
Sense: straight, vertical, standing up
Synonyms:
upright Collocations, up Collocations, straight Collocations, vertical, standing up, tipped up, upended