lethargic (adjective)

1. The main character in the anime series appeared lethargic and lacked enthusiasm throughout the episodes.

2. During the religious ceremony, the participants entered a trance-like state and seemed lethargic in their movements.

3. The enchanted forest in the fantasy book had a soporific effect on anyone who entered, making them feel lethargic and drowsy.

4. During World War I, soldiers in the trenches often suffered from trench fever, which left them feeling lethargic and weak.