A*

/eɪ̯ stɑː/

noun

An academic grade, higher than A or A+. Where it is used, it is often the best class of result.

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Meanings

nounA* (countable and uncountable, plural A*'s or A*s)

plural A*'s · plural A*s

  1. countableuncountableAn academic grade, higher than A or A+. Where it is used, it is often the best class of result.

    "The A* grade at A-level is the inevitable consequence of the intention to make A-levels harder. As such, it will provide additional recognition for additional achievement. Importantly, it leaves the existing grades A to E untouched, so that standards over time are preserved."

    2006 November 30, Alexandra Smith, “Johnson unveils exam reform plans”, in The Guardian, archived from the original on 24 Aug 2025
  2. uncountablecomputerA best-first graph search algorithm for finding a lowest-cost path to a goal.
Cite this entry
APA

A*. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/A%2A

MLA

“A*.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/A%2A. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “A*,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/A%2A.

Source: A* on Wiktionary, CC BY-SA 4.0.