2
demarcate(verb, check, mark, determine, fit)
2
dial
2
dig(verb, grasp, understand, divine, comprehend)
2
direct(adjective, straight)
2
estimate(verb, check, determine, fit, grasp)
2
exactly vertical(expression, idiom)
2
expressly(just, absolutely, exactly, quite, correctly)
2
extremely
2
fair
2
figure out(verb, expression, grasp, understand, divine)
2
flat
2
get(verb, grasp, understand, divine, comprehend)
2
gradate(verb, check, mark, determine, fit)
2
heave the lead(expression, idiom, measurement, depth)
2
interpret(verb, grasp, understand, divine, comprehend)
2
invariable(adjective, smooth, right, solid, level)
2
literally(just, absolutely, exactly, quite, correctly)
2
make out(verb, expression, grasp, understand, divine)
2
mark out(verb, expression, check, mark, determine)
2
methodical(adjective, even, rigid, inflexible, reliable)
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APASmart Define. (2015). plumb thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plumb/thesaurus/synonyms
ChicagoSmart Define. 2015. "plumb thesaurus" https://smartdefine.org/plumb/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, plumb thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plumb/thesaurus/synonyms>.
MLASmart Define. "plumb thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/plumb/thesaurus/synonyms>