
Apathy — lack of interest or emotion
Arbitrary — based on random choice, not reason
Arcane — mysterious, understood by few
Arduous — difficult, requiring great effort
Artful — clever, skillful (sometimes deceptive)
Ascetic — practicing strict self-denial
Assiduous — showing great care and perseverance
Audacious — bold, daring, sometimes recklessly so
Auspicious — favorable, promising success
Austere — severe, strict, unadorned
Pattern recognition: Many GRE words have Latin or Greek roots. "Auspicious" comes from Latin "auspex" (bird watcher) — ancient Romans watched birds for omens. Knowing roots helps you decode unfamiliar words on test day.
Reference:
TaskLoco™ — The Sticky Note GOAT