Synonyms|74Antonyms|0|Broader|1Narrower|0Related|8
5
upright(adjective, straight, steep, erect, vertical)
4
erect(adjective, straight, upright, steep, vertical)
3
together(adverb, row, running, continuously)
2
continually(running, continuously)
2
continuously
2
perpendicular(adjective, straight, upright, erect, vertical)
2
vertical(adjective, straight, upright, erect, upstanding)
2
without a break(expression, idiom, running, continuously)
2
without pause
1
ad infinitum
1
again and again(expression, idiom)
1
at a stretch(expression, idiom)
1
at attention
1
bolt upright
1
ceaselessly
1
cocked(straight, upright, erect, vertical, perpendicular)
1
connectedly
1
constantly
1
cumulatively
1
cyclically
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APASmart Define. (2015). on end thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/on_end/thesaurus/synonyms
ChicagoSmart Define. 2015. "on end thesaurus" https://smartdefine.org/on_end/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, on end thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/on_end/thesaurus/synonyms>.
MLASmart Define. "on end thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/on_end/thesaurus/synonyms>