semidefinite

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adjective

Not entirely definite; somewhat vague or undefined.

UncommonScrabble 18
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Meanings

adjectivesemidefinite (not comparable)
  1. not comparableNot entirely definite; somewhat vague or undefined.

    Coral rock has only a semidefinite shape.

    1962, Bruno Klopfer, Helen Hiller Davidson, The Rorschach Technique: An Introductory Manual, page 99
  2. not comparablemathematicsDescribing a bilinear form, over a vector space, that is either always nonnegative or always nonpositive.

Origin

From semi- + definite.

Full word history & related roots →
Cite this entry
APA

semidefinite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/semidefinite

MLA

“semidefinite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/semidefinite. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “semidefinite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/semidefinite.

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