What is the opposite of half-hearted?

1. He made a rather half-hearted attempt to clear up the rubbish.
2. Joanna had made one or two half-hearted attempts to befriend Graham's young wife.
3. He made a half-hearted attempt to justify himself.
4. Congress has made half-hearted attempts at finance reform.
5. Government action has been half-hearted and uncoordinated.

• devoted.
• eager.
• fanatical.
• hungry.
• impatient.
• thirsty.
• voracious.
• zealous.

• Lonely –
• Terminal –
• Heartbroken –
• Regrets –
• Back To School –
• Melancholy –
• Party's Over –
• Love – While love can be beautiful for many people, ultimately, it is one of the most saddest emotions and feelings in the world.

• depressing,
• dismal,
• drear,
• dreary,
• heartrending,
• melancholy,
• mournful,
• pathetic,

• upsetting, distressing, painful, heartbreaking, heart-rending, dispiriting, disheartening, discouraging, demoralizing.
• dismal, bleak, black, sombre, gloomy, grave, unhappy, melancholy, sad, saddening.
• wretched, doleful.
• daunting, disenchanting, unfavourable.
• informal morbid, blue.
• archaic dejecting.

What is another word for soft-hearted?