- A state of physical or mental weariness; lack of energy: she was overcome by lassitude and retired to bedMore example sentences
- After five weeks in combat these soldiers sunk into a state of extreme exhaustion and lassitude.
- The patient may also experience lassitude, have a pale complexion, a sore low back (where the Kidney is located), pale tongue body with thin white coating, and deep slow-weak pulse.
- The patient denied lassitude, dyspnea, or fever.
late Middle English: from French, from Latin lassitudo, from lassus 'tired'.