11
direct(adjective, smooth, continue, solid, level)
7
linear(adjective, length)
5
ancestral(adjective, trait, family, hereditary)
5
straight(adjective, adverb, curved, aligned)
3
hereditary(adjective, witting, national, inherited, genealogical)
3
inherited
3
racial(adjective, ethnic)
3
rectilinear
3
right
2
cadet
2
directly
2
even
2
exact(adjective, precise)
2
genealogical(adjective, witting, familial, tribal)
2
immediate(adjective, prompt, exact, precise, personal)
2
level
2
succeeding(adjective, prompt, exact, precise, personal)
2
unbroken
1
after
1
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APASmart Define. (2015). lineal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/lineal/thesaurus/synonyms
ChicagoSmart Define. 2015. "lineal thesaurus" https://smartdefine.org/lineal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, lineal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/lineal/thesaurus/synonyms>.
MLASmart Define. "lineal thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/lineal/thesaurus/synonyms>