14
straight(adjective, direct, right, level, true)
12
lineal(adjective, length)
8
one-dimensional
7
direct(adjective, smooth, solid, level, true)
6
additive
6
consecutive(adjective, continuity, sequential)
6
lengthwise(adjective, long)
5
analogue(noun, adjective)
5
elongate(verb, adjective)
5
rectilineal
5
rectilinear
5
running(verb, adjective)
5
even(adjective, smooth, right, solid, level)
5
right(adjective, smooth, solid, level, true)
4
analog(noun, adjective)
4
level
4
serial(adjective, continuity, sequential)
4
undeviating(adjective, direct, smooth, right, solid)
3
collinear
3
continuous(adjective, smooth, right, solid, level)
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APASmart Define. (2015). linear thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/linear/thesaurus/synonyms
ChicagoSmart Define. 2015. "linear thesaurus" https://smartdefine.org/linear/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, linear thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/linear/thesaurus/synonyms>.
MLASmart Define. "linear thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/linear/thesaurus/synonyms>