underapproximation

noun

An approximation that is lower than the true value.

Opposite
overapproximation
Scrabble 32
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noununderapproximation (plural underapproximations)

plural underapproximations · alternative under-approximation

  1. An approximation that is lower than the true value.

Synonyms & antonyms

Opposite
overapproximation

Origin

From under- + approximation.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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