Antonyms of adj unenthusiastic

1 sense of unenthusiastic

Sense 1
unenthusiastic (vs. enthusiastic) -- (not enthusiastic; lacking excitement or ardor; "an unenthusiastic performance by the orchestra"; "unenthusiastic applause")

enthusiastic (vs. unenthusiastic) -- (having or showing great excitement and interest; "enthusiastic crowds filled the streets"; "an enthusiastic response"; "was enthusiastic about taking ballet lessons")
        => ardent, warm -- (characterized by strong enthusiasm; "ardent revolutionaries"; "warm support")
        => avid, zealous -- (marked by active interest and enthusiasm; "an avid sports fan")
        => crazy, wild, dotty, gaga -- (intensely enthusiastic about or preoccupied with; "crazy about cars and racing"; "he is potty about her")
        => evangelical, evangelistic -- (marked by ardent or zealous enthusiasm for a cause)
        => glowing -- (highly enthusiastic; "glowing praise")
        => gung ho -- (very enthusiastic and dedicated)
        => overenthusiastic -- (unduly enthusiastic)

Similarity of adj unenthusiastic

1 sense of unenthusiastic

Sense 1
unenthusiastic (vs. enthusiastic) -- (not enthusiastic; lacking excitement or ardor; "an unenthusiastic performance by the orchestra"; "unenthusiastic applause")
       => cold -- (feeling or showing no enthusiasm; "a cold audience"; "a cold response to the new play")
       => halfhearted, half-hearted, tepid, lukewarm -- (feeling or showing little interest or enthusiasm; "a halfhearted effort"; "gave only lukewarm support to the candidate")
          Also See-> passionless#1; spiritless#1