halfhearted[adjective]Synonyms: tepid, lukewarm, unenthusiastic
[TahlilGaran] English Synonym Dictionary ▲
half·heart·ed (hăf

här

tĭd, häf

-)
adj.Exhibiting or feeling little interest, enthusiasm, or heart; uninspired:
a halfhearted attempt at writing a novel. [TahlilGaran] American Dictionary ▲