1
flat
1
flatly
1
flatways
1
flatwise
1
flush
1
fore-and-aft
1
horizontally
1
in length
1
level
1
on a level(expression, idiom)
1
protracted
1
reaching(adjective, long)
1
running
1
stretched(adjective, long)
1
vertical
0
acme
0
across time(expression, idiom)
0
ahead
0
along the length(expression, idiom)
0
apex
11 years ago|1.9k views|share |citing 
APASmart Define. (2015). lengthwise thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lengthwise/thesaurus/synonyms
ChicagoSmart Define. 2015. "lengthwise thesaurus" https://smartdefine.org/lengthwise/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, lengthwise thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lengthwise/thesaurus/synonyms>.
MLASmart Define. "lengthwise thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/lengthwise/thesaurus/synonyms>