1) Afire 2) Agog 3) Alacritous 4) All fired up 5) All in 6) Almost fanatical 7) Ardent 8) Ardently eager 9) Ashen pit 10) Athirst 11) Avid of power 12) Beyond merely interested 13) Burning 14) Champing at the bit 15) Close to fanatical 16) Craving eagerly 17) Crazy enthusiastic 18) Cupidinous 19) Dedicated 1) Ardent 2) Desirous 3) Devouring 4) Eager 5) Enthusiastic 6) Fervent 7) Greedy 8) Gung ho 9) Insatiable 10) Keen 11) Rah-rah 12) Voracious 13) Zealous 
• (a.) Longing eagerly for; eager; greedy.
Av'id adjective [ Latin avidus , from av...re to long: confer French avide . See Avarice .] Longing eagerly for; eager; greedy. ' Avid of gold, yet greedier of renown.' Southey. 
eager greedy 
[adj] - (often followed by `for`) ardently or excessively desirous 2. [adj] - marked by active interest and enthusiasm
avid 1. Marked by an active and keen interest and enthusiasm: 'My mother was an avid football fan.' 2. Ardently, or excessively, desirous: 'I was avid to travel as often as possible.' 3. Having an ardent desire or unbounded craving; greedy: 'As far back as I can remember, my sister always had an avid desire for books.'
devouring(a) adjective (often followed by `for`) ardently or excessively desirous; `avid for adventure`; `an avid ambition to succeed`; `fierce devouring affection`; `the esurient eyes of an avid curiosity`; `greedy for fame`
enthusiastic; ardent; dedicated; keen: an avid moviegoer. · keenly desirous; eager; greedy (often fol. by for or of&hasp;): avid for pleasure; avid of power.