Antonyms of adj overenthusiastic

1 sense of overenthusiastic

Sense 1
overenthusiastic -- (unduly enthusiastic)

INDIRECT (VIA enthusiastic) -> unenthusiastic -- (not enthusiastic; lacking excitement or ardor; "an unenthusiastic performance by the orchestra"; "unenthusiastic applause")

Similarity of adj overenthusiastic

1 sense of overenthusiastic

Sense 1
overenthusiastic -- (unduly enthusiastic)
       => enthusiastic (vs. unenthusiastic) -- (having or showing great excitement and interest; "enthusiastic crowds filled the streets"; "an enthusiastic response"; "was enthusiastic about taking ballet lessons")