WordNet sense 1 (a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)):

bore, aegir, eagre, tidal bore

WordNet sense 2 (marked by active interest and enthusiasm):

avid, great, zealous

WordNet sense 3 ((usually followed by `to') full of eagerness):

impatient, raring

WordNet sense 4 (having or showing great eagerness or enthusiasm):

hot