• WordNet 3.6
    • adj halfhearted feeling or showing little interest or enthusiasm "a halfhearted effort","gave only lukewarm support to the candidate"
    • ***
Webster's Revised Unabridged Dictionary
    • halfhearted Lacking zeal or courage; performed with less than a full effort; lukewarm; unenthusiastic; as, a half-hearted attempt; -- of actions.
    • halfhearted Wanting in heart or spirit; ungenerous; unkind.
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Century Dictionary and Cyclopedia
    • halfhearted Having or showing little generosity; illiberal; ungenerous; unkind.
    • halfhearted Having or showing little eagerness, enthusiasm, or determination; not earnest; lukewarm: as, half-hearted partizanship; a half-hearted apologist.
    • ***


In literature:

Halfheartedly, I reached for it.
"Take Me for a Ride" by Mark E. Laxer
The others when they saw it went at him, but rather halfheartedly.
"Grettir The Strong" by Unknown
Punch appeared halfhearted, and Judy was simply walking through.
"The Brother of Daphne" by Dornford Yates
Halfheartedly, Lad listened to the Master's rebuke, as he followed back to camp.
"Further Adventures of Lad" by Albert Payson Terhune
Once or twice Ferris made halfhearted proffers to do some of the buying.
"His Dog" by Albert Payson Terhune
This figure includes those under the command of Erasmus, who made halfhearted demonstrations against the British flank.
"The Great Boer War" by Arthur Conan Doyle
The voice of the people is duly represented, but it is a very weak and halfhearted voice.
"The Boer in Peace and War" by Arthur M. Mann
Two or three women, far back in the hall, start a halfhearted handclapping.
"A Book of Burlesques" by H. L. Mencken
The South was halfhearted in his support.
"The Negro and the Nation" by George S. Merriam
Otherwise, they will support him only halfheartedly or not at all.
"The Saracen: Land of the Infidel" by Robert Shea

In news:

Afghan Envoy Assails Western Allies as Halfhearted, Defeatist .
Indiana government expects residents to accept halfhearted efforts.
Afghan Envoy Assails Western Allies as Halfhearted, Defeatist.
Afghan Envoy Assails Western Allies as Halfhearted , Defeatist.
Judge, irritated with Apple's halfhearted compliance with the court's decision, orders it to pay Samsung's legal fees.
My attempts have been … halfhearted.
Archbishop Timothy Dolan Defends His Halfhearted Fight Against Marriage Equality in New York.
It's not over yet, but it looks as though the SEC will be halfhearted throughout the NCAA tournament .