Adverb
without enthusiasm; in a half-hearted manner
Source: WordNetHe who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God. Isaac Newton
The Englishman without his tea fights only half-heartedly. José Maria Eça de Queiroz
I heard Little Richard and Jerry Lee Lewis, and that was it. I didn't ever want to be anything else. I just started banging away and semi-studied classical music at the Royal Academy of Music but sort of half-heartedly. Elton John
My attitude goes back to my childhood. I used to audition for theatrical roles, and you can't stand out in a room full of ambitious eight-year-old girls by acting the wallflower. I realised then that I couldn't do things half-heartedly. Jessie J
she tried half-heartedly Source: Internet
As the thief pulls the bike loose, two members of the public half-heartedly holds on to the handlebars to stop them getting away, prompting the youth to shout: “Let go my bike. Source: Internet