I. ə̇n|th(y)üzē|astik, (|)en-, -ē|aas-, -tēk adjective
Etymology: Greek enthousiastikos, from (assumed) Greek enthousiastos (verbal of Greek enthousiazein ) + Greek -ikos -ic
1. : relating to enthusiasm (senses 1, 2)
enthusiastic ministers and their hearers preferred extempore or inspired preaching — Douglas Bush
2. : filled with, characterized by, or manifesting enthusiasm : zealous , ardent
the chair was received with enthusiastic praise
an enthusiastic supporter of the president
an enthusiastic golfer and fisherman
3. : having an ardent, receptive, responsive temperament : tending to give oneself wholly to whatever engages one's interest or liking
one of the most generous and enthusiastic men I ever met — O.S.J.Gogarty
II. noun
( -s )
archaic : enthusiast , zealot