Fatigue vs. Lassitude

Fatiguenoun

A weariness caused by exertion; exhaustion.

Fatiguenoun

(often in the plural) A menial task or tasks, especially in the military.

Fatiguenoun

(engineering) Material failure, such as cracking or separation, caused by stress on the material.

Fatigueverb

(transitive) to tire or make weary by physical or mental exertion

Fatigueverb

to wilt a salad by dressing or tossing it

Fatigueverb

(intransitive) to lose so much strength or energy that one becomes tired, weary, feeble or exhausted

Fatigueverb

to undergo the process of fatigue; to fail as a result of fatigue.

Fatiguenoun

Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.

Fatiguenoun

The cause of weariness; labor; toil; as, the fatigues of war.

Fatiguenoun

The weakening of a metal when subjected to repeated vibrations or strains.

Fatigueverb

To weary with labor or any bodily or mental exertion; to harass with toil; to exhaust the strength or endurance of; to tire.

Fatiguenoun

temporary loss of strength and energy resulting from hard physical or mental work;

Fatiguenoun

used of materials (especially metals) in a weakened state caused by long stress;

Fatiguenoun

(always used with a modifier) boredom resulting from overexposure to something;

Fatiguenoun

labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on);

Fatigueverb

get tired of something or somebody

Fatigueverb

exhaust or tire through overuse or great strain or stress;

Fatigue

Fatigue is a feeling of tiredness. It may be sudden or gradual in onset.

Lassitudenoun

Lethargy or lack of energy; fatigue.

Lassitudenoun

Listlessness or languor.

Lassitudenoun

A condition of the body, or mind, when its voluntary functions are performed with difficulty, and only by a strong exertion of the will; languor; debility; weariness.

Lassitudenoun

a state of comatose torpor (as found in sleeping sickness)

Lassitudenoun

a feeling of lack of interest or energy

Lassitudenoun

weakness characterized by a lack of vitality or energy