Select the most appropriate synonym to replace the italicised word.

We also must do something about our mental and physical lethargy.

hebetude

The most appropriate synonym to replace the italicised word "lethargy" is hebetude.

• Lethargy means "a state of sluggishness or inactivity."
• Vigour means "physical or mental strength and energy."
• Eagerness means "a strong desire or wish to do something."
• Enthusiasm means "a feeling of excitement and interest."
• Hebetude means "a dull or sluggish state of mind or body."