9
lengthwise(adverb, direction, length)
7
lengthways
5
along(adverb, length)
3
at length(expression, idiom, length)
3
endways
3
longitudinal
3
longwise
2
endlong(adverb, length)
2
lengthwisely
2
longways
2
uprightly(adverb, vertically)
2
vertically(adverb, vertically)
1
continuously(adverb, length)
1
erectly(adverb, vertically)
1
lengthwaysly
1
long
1
perpendicularly(adverb, vertically)
1
sheerly(adverb, vertically)
1
steeply(adverb, vertically)
0
across time(expression, idiom)
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APASmart Define. (2015). longitudinally thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/longitudinally/thesaurus/synonyms
ChicagoSmart Define. 2015. "longitudinally thesaurus" https://smartdefine.org/longitudinally/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, longitudinally thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/longitudinally/thesaurus/synonyms>.
MLASmart Define. "longitudinally thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/longitudinally/thesaurus/synonyms>