• WordNet 3.6
    • adj half-hearted feeling or showing little interest or enthusiasm "a halfhearted effort","gave only lukewarm support to the candidate"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: By the time you turn 70, your heart will have beat some two-and-a-half billion times (figuring on an average of 70 beats per minute.)
    • Half-hearted Lacking zeal or courage; performed with less than a full effort; lukewarm; unenthusiastic; as, a half-hearted attempt; -- of actions.
    • Half-hearted Wanting in heart or spirit; ungenerous; unkind.
    • ***
Chambers's Twentieth Century Dictionary
    • Half-hearted cold, ungenerous: lukewarm: indifferent
    • ***


  • Sir Walter Scott
    “'Twas Christmas broach'd the mightiest ale; 'twas Christmas told the merriest tale; a Christmas gambol oft could cheer the poor man's heart through half the year.”
  • A. H. K. Boyd
    A. H. K. Boyd
    “There are important cases in which the difference between half a heart and a whole heart makes just the difference between signal defeat and a splendid victory.”
  • Yiddish Proverb
    Yiddish Proverb
    “The heart is half a prophet.”


Chambers's Twentieth Century Dictionary
A.S. healf (Ger. halb, Dan. halv); original meaning 'side.'


In literature:

Janee (she was now three and a half years of age) has commenced saying by heart two pieces out of the little book you sent her.
"Personal Memoirs Of A Residence Of Thirty Years With The Indian Tribes On The American Frontiers" by Henry Rowe Schoolcraft
This cheered my heart a little, and especially when, in about half an hour more, it blew a pretty gentle gale.
"The Life and Adventures of Robinson Crusoe Of York, Mariner, Vol. 1" by Daniel Defoe
The radishes were half as large as Bridget's wrists, and as tender as her heart.
"The Crater" by James Fenimore Cooper
Corinne observed with a sinking heart the delicate attention which Oswald paid to her half-sister.
"The World's Greatest Books, Vol VIII" by Arthur Mee and J.A. Hammerton, Eds.
Rightly or wrongly, Manning thought Newman a half-hearted Papalist.
"Collections and Recollections" by George William Erskine Russell
You say her heart is half-broken: Is it to be wondered at?
"Clarissa, Volume 7" by Samuel Richardson
I was certain of that, and more than half convinced her heart was already mine.
"Love Under Fire" by Randall Parrish
The President was sustained with no half-hearted loyalty.
"Stonewall Jackson And The American Civil War" by G. F. R. Henderson
Good-bye to Paris and back to London, where I began acting again with only half my heart.
"The Story of My Life" by Ellen Terry
Nathaniel's lips quivered; the pounding of his heart half choked him; a shriek of mad, terrible joy was ready to leap from his lips.
"The Courage of Captain Plum" by James Oliver Curwood

In poetry:

O, I know, by heart I know and do not wish
to repeat; I cannot know my forms
in advance. Thus I die
with half-revealed God on my lips.
"The Glimpse" by Krzysztof Kamil Baczynski
So, Janet, half-way through thy teens,
And all the world to learn,
Lean to thine own sweet heart, as leans
From moss-clad rock the fern:
"A Walk To Pamphy Linns" by Alexander Anderson
His memory long will live alone
In all our hearts, as mournful light
That broods above the fallen sun,
And dwells in heaven half the night.
"To J. S." by Alfred Lord Tennyson
All fondly curious with love
(Half guessing what he would lay bare)
He rifled her heart's treasure trove,
And found -- a stranger's image there.
"The Lovers" by C J Dennis
I kissed her lips, they were half apart,
Yet they made no answering sign;
Death's hand was on her failing heart,
And his eyes said, "She is mine."
"Triumph" by Henry Cuyler Bunner
"Nor yet," imagination said,
"My power will I resign;
"For know of every joy below,
"Of ev'ry bliss the heart shall know,
"Full half the worth is mine."
"Written On New Year's Day" by Elizabeth Bath

In news:

A special type of pacemaker fails to help almost half of the heart patients who get it, and now researchers believe they know why.
My mutt Bailey is half beagle and this story broke my heart and warmed my heart at the same time.
A survey of Washington state physicians finds that less than half know about American Heart Assn.
Your advertising dollars also support a historic, locally owned and family-run institution that has been at the heart of this community for nearly a century and a half.
The drought lasted for years, despite some half-hearted attempts.
Imagine begin told that your unborn baby only has half of a heart.
Jacob Rodriguez was born with only half a heart.
The Dallas Cowboys fell behind big in the first half against the Washington Redskins on Thursday before rallying to make a game of it, showing a lot of heart and desire.
Big second half propels Gainesville past Sacred Heart .
Massacre suspect has made "half- hearted " suicide tries.
James Holmes, the suspect in the Aurora, Colorado movie massacre, has made various "half- hearted " suicide attempts in recent days, law enforcement sources tell CBS4's Brian Maass.
Massacre Suspect Has Made "Half- Hearted " Suicide Tries.
'Half- Hearted Hero' leads Martin team.
City commissioners half- hearted efforts.
Half of overweight teens have heart risk.

In science:

Prior observational research concluded that the risk of coronary heart disease was reduced by half (Stampfer and Colditz ).
Statistical adjustment for a measure of healthy lifestyle doesn't yield the truth about hormone therapy
Hearts labelling adjacent regions are related by simple tilts — the transition in the direction of the arrows is given by right tilting at the ob ject labelling the corresponding half-line.
Stability conditions, torsion theories and tilting
In particular the two simples in the heart corresponding to a region are the two ob jects labelling the bounding half-lines, but with ob jects on inward pointing arrows shifted by .
Stability conditions, torsion theories and tilting
Second, we depart from the reconstruction paradigm at the heart of the second half of the proof of both Trevisan’s and Ta-Shma’s results.
Trevisan's extractor in the presence of quantum side information
When the folded data are binned (see Fig. 3b) one can see that the average depth at the heart of the occultation is only ∼0.6% or about half the maximum depth.
Possible Disintegrating Short-Period Super-Mercury Orbiting KIC 12557548