heavy-hearted; depressed; feeling down
Describes a state of feeling emotionally heavy, reluctant, or weighed down, often about facing something or doing something. Used as a na-adjective or noun.
I feel heavy-hearted when I think about tomorrow's exam.
He headed to work with a heavy heart.
気重 describes a heavy, reluctant feeling before doing something, the opposite of the light, unhesitating feeling of 気軽.
Compound of 気 (き, 'spirit, mood') and 重 (おも, 'heavy'). The exact historical derivation is uncertain, but the meaning is transparent from its components.