1.
[syn: halfhearted, half-hearted, tepid, lukewarm]
The Collaborative International Dictionary of English v.0.48:
halfhearted \half"heart`ed\, Half-hearted
\Half"-heart`ed\(-h[aum]rt`[e^]d), a.
1. Wanting in heart or spirit; ungenerous; unkind. --B.
Jonson.
[1913 Webster]
2. Lacking zeal or courage; performed with less than a full
effort; lukewarm; unenthusiastic; as, a half-hearted
attempt; -- of actions. [WordNet sense 1] --H. James.
[1913 Webster +PJC]
WordNet (r) 3.0 (2006):
halfhearted
adj 1: feeling or showing little interest or enthusiasm; "a
halfhearted effort"; "gave only lukewarm support to the
candidate" [syn: halfhearted, half-hearted, tepid,
lukewarm]