noun
fatigue
fuh-TEEG
noun
1
Extreme tiredness, whether physical or mental, from exertion or lack of rest.
"By the end of the shift, fatigue had set in and her hands were shaking."
2
(engineering) The weakening of a material caused by repeated stress over time.
"Engineers inspect aircraft wings regularly for signs of metal fatigue."
verb
1
To make someone very tired through effort or exertion.
"The long hike fatigued even the fittest members of the group."
How to Use Fatigue
Learner’s notesIn plain EnglishA deep sense of tiredness, or (in engineering) the gradual weakening of a material under repeated stress.
Common pairings
chronic fatigue
battle fatigue
metal fatigue
Word Forms
fatigued past tense, fatigues singular
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “fatigue”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
By the end of the shift, _____ had set in and her hands were shaking.
Etymology
From French fatiguer, from Latin fatigare, "to tire out, weary".