1. not enthusiastic; lacking excitement or ardor; - Example: "an unenthusiastic performance by the orchestra" - Example: "unenthusiastic applause"
WordNet (r) 3.0 (2006):
unenthusiastic
adj 1: not enthusiastic; lacking excitement or ardor; "an
unenthusiastic performance by the orchestra";
"unenthusiastic applause" [ant: enthusiastic]