A List Definition

ālĭst
noun
A list or group of the most admired or desirable people, as for a job or social gathering.
A private party for Hollywood's A list.
American Heritage
A list of important or prominent persons, as of those regarded as highly desirable guests at upper-class social or cultural events.
Webster's New World

(computing) Association list in LISP.

Wiktionary

(chiefly US) An informal list of people in any of several categories (but especially in the entertainment industry) who are most admired, desirable or bankable.

Wiktionary

Alternative spelling of A-list.

Wiktionary
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adjective
(chiefly US) Best of the group; top.
Wiktionary

Origin of A List

  • Abbreviation of association list.

    From Wiktionary