Lassitude – Physical or mental tiredness. Lack of Energy
(Pronounced lass-ih-chude)
To remember the definition of the word lassitude, use the following mnemonic:
His lazy attitude (lassitude), he says, is because he's tired and has no energy.
Examples of lassitude in a sentence
After the long race, Jack experienced a feeling of lassitude.
When my doctor asked me to describe my symptoms, my main complaint was lassitude since I had very little energy.
He suffered from lassitude while his body fought off the flu virus.
