1
straight(adverb, level)
1
thwart(adjective, cross, upright, over, vertical)
1
thwarter(adjective, cross, over, obstructive, angular)
1
transversal(adjective, cross, upright, over, vertical)
1
transverse
1
transversely(adjective, cross, upright, over, vertical)
1
vertically(adjective, cross, upright, over, vertical)
0
across
0
alongside
0
as
0
beam
0
clearly
0
crossly
0
decumbently
0
direct
0
directly
0
dully
0
flatways
0
fours
0
frigidly
11 years ago|1.1k views|share |citing 
APASmart Define. (2015). horizontally thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/horizontally/thesaurus/synonyms
ChicagoSmart Define. 2015. "horizontally thesaurus" https://smartdefine.org/horizontally/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, horizontally thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/horizontally/thesaurus/synonyms>.
MLASmart Define. "horizontally thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/horizontally/thesaurus/synonyms>