Idiom: Someone's Heart Is InCheck definitions of...someonesheartisinMeaningsSomeone is emotionally invested in (something); someone does (something) wholeheartedly.A-Z Proximitiessoften upsolo runsome oldsome peoplesome pumpkins someone's heart is in someone's heart outsomeone's jaw droppedsomething awfulsomething is rotten in the state of Denmarksomething likeSimilar Idiomsbreak someone's heartharden someone's heartsomeone's heart is insomeone's heart outsteal someone's heartwarm the cockles of someone's heartabsence makes the heart grow fonderafter one's own heartall heartbe still my heartby heartchange of heartcross my heartcross my heart and hope to diedrive a stake through its hearteat one's heart outfind it in one's hearthave a hearthave one's heart inhave one's heart in the right placeSimilar Phrasesbreak someone's heartheart-to-heartin someone's waypull someone's legsell someone outtake someone's sidebullock heartbullock's heart treeclosed-heart surgeryheart lineartichoke heartartificial heartat heartathlete's heartheart valvebiauriculate heartbleeding heartbroken heartbullock's heartby heart