Antonyms of adj heavyhearted

1 sense of heavyhearted

Sense 1
heavyhearted -- (depressed)

INDIRECT (VIA sad) -> glad -- (showing or causing joy and pleasure; especially made happy; "glad you are here"; "glad that they succeeded"; "gave a glad shout"; "a glad smile"; "heard the glad news"; "a glad occasion")

Similarity of adj heavyhearted

1 sense of heavyhearted

Sense 1
heavyhearted -- (depressed)
       => sad (vs. glad) -- (experiencing or showing sorrow or unhappiness; "feeling sad because his dog had died"; "Better by far that you should forget and smile / Than that you should remember and be sad"- Christina Rossetti)