1. states of tiredness and lack of energy; periods of sluggishness or inactivity
Usage: plural of lethargy

Examples

• The hot weather brought on periods of lethargy that made it hard to concentrate.
• After several days of illness, she experienced waves of lethargy.
• The team’s recent lethargies were affecting their performance on the field.
• Seasonal lethargies are common during the darker winter months.
• The medication caused unexpected lethargies that lasted for hours.
• Students often complain of afternoon lethargies after heavy meals.