extreme, severe
swimmers who are in a state of extreme fatigue

growing
chronic
conditions such as chronic fatigue, insomnia and depression
a study of chronic fatigue syndrome

general
mental, physical
muscle
Correcting your posture prevents muscle fatigue and injury.

battle
soldiers suffering from battle fatigue

compassion
Compassion fatigue among donor countries means there is less money for worthy causes.

driver
car accidents caused by driver fatigue

experience, feel, suffer from
Tom began to feel fatigue and weakness once more.

combat, fight, fight off, reduce
The right vitamins help you combat fatigue.

avoid, prevent
simple lifestyle strategies to prevent fatigue

cause

set in
She had to stop work when fatigue set in.

overcome sb

from fatigue
He was crying from cold and fatigue.

with fatigue
The man was shivering with fatigue.

a feeling of fatigue
signs of fatigue

army, battle, combat, military
camouflage

in fatigue
soldiers in combat fatigues