underapproximate

verb

To form an underapproximation of.

“This algorithm will always underapproximate the number of possible paths.”

Similar
misunderestimateunderestimatesell shortunderguessunderjudgeunderrateunderreckonunderstate
Opposite
overapproximateoverestimateoverholdoverrateoverreckon
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Meanings

verbunderapproximate (third-person singular simple present underapproximates, present participle underapproximating, simple past and past participle underapproximated)

present singular third person underapproximates · participle present underapproximating · participle past underapproximated · past underapproximated · alternative under-approximate

  1. transitiveTo form an underapproximation of.

    This algorithm will always underapproximate the number of possible paths.

    Synonyms: misunderestimate, underestimate, misunderestimate, sell short, underestimate, underguess, underjudge, underrate · Antonyms: overapproximate, overapproximate, overestimate, overhold, overrate, overreckon, overstate, overthink

Synonyms & antonyms

verbTo form an underapproximation of.

Similar
misunderestimateunderestimatemisunderestimatesell shortunderestimateunderguessunderjudgeunderrateunderreckonunderstate
Opposite
overapproximateoverapproximateoverestimateoverholdoverrateoverreckonoverstateoverthink
Also see
misunderestimatesell shortunderestimateunderguessunderjudgeunderrateunderreckonunderstate

Origin

From under- + approximate.

Full word history & related roots →
Cite this entry
APA

underapproximate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/underapproximate

MLA

“underapproximate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underapproximate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “underapproximate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/underapproximate.

Source: underapproximate on Wiktionary, CC BY-SA 4.0.