"eager; greedy," 1769, from French avide (15c.), from Latin avidus "longing eagerly, desirous, greedy," from avere "to desire eagerly" (see avarice). Also in part a back-formation from avidity. Related: Avidly.
the esurient eyes of an avid curiosity
avid for adventure
an avid ambition to succeed
an avid sports fan