Synonyms|79Antonyms|4|Broader|0Narrower|0Related|204
7
lengthways
6
lengthwise
5
incipient
5
linear
5
vertical(adjective, vertical)
4
long
4
perpendicular(adjective, vertical)
4
steep(adjective, vertical)
4
upright(adjective, vertical)
3
continuous
3
directly
3
longitudinally
3
oblong(adjective, length)
3
spatial
2
erect(adjective, vertical)
2
firsthand
2
fore-and-aft
2
lineal
2
longer
2
longitude
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APASmart Define. (2013). longitudinal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/longitudinal/thesaurus/synonyms
ChicagoSmart Define. 2013. "longitudinal thesaurus" https://smartdefine.org/longitudinal/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, longitudinal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/longitudinal/thesaurus/synonyms>.
MLASmart Define. "longitudinal thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/longitudinal/thesaurus/synonyms>