unenthusiastic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

not enthusiastic;
lacking excitement or ardor (Freq. 1)
- an unenthusiastic performance by the orchestra
- unenthusiastic applause
• Ant:
enthusiastic
• Similar to:
cold, halfhearted, half-hearted, tepid, lukewarm
• See Also:
passionless, spiritless