Definition of fatigue in English:

fatigue

Line breaks: fa|tigue
Pronunciation: /fəˈtiːg
 
/

noun

1 [mass noun] Extreme tiredness resulting from mental or physical exertion or illness: he was nearly dead with fatigue
More example sentences
  • But a critical distinction needs to be drawn between physical and mental fatigue.
  • Even so, the job saps the vitality, and a referee gets mental fatigue as well as physical.
  • This can cause a person to experience physical fatigue, along with mental fogginess, difficulty in concentrating, and dullness of the mind.
Synonyms
1.1A reduction in the efficiency of a muscle or organ after prolonged activity: buccinator and orbicularis oris muscles showing signs of fatigue
More example sentences
  • The frequency of frank respiratory muscle fatigue in acute asthma is unknown, but is probably low.
  • Thus, in patients with severe airway obstruction, inspiratory muscle fatigue may limit exercise performance.
  • A key problem in many patients with respiratory failure requiring intubation is fatigue of respiratory muscles.
1.2 [with modifier] A lessening in one’s response to or enthusiasm for something, caused by overexposure: votes were showing signs of election fatigue
More example sentences
  • He revealed a bit of fundraiser fatigue in response.
  • Even now a certain amount of election fatigue is beginning to set in.
  • The Museo de las Culturas de Oaxaca is in a former monastery and a wander around the airy cloisters or in the excellent cacti garden offer a respite from any cases of museum fatigue.
2Weakness in metal or other materials caused by repeated variations of stress: metal fatigue
More example sentences
  • Metal fatigue is one concern, damage incurred during liftoff is another.
  • The fatigue properties of metals are quite structure-sensitive.
  • Investigators said the fatigue cracks on the planes that crashed were confined to the wing structures.
3 (fatigues) Menial non-military tasks performed by a soldier, sometimes as a punishment: we’re on cookhouse fatigues, sir
More example sentences
  • When they were not performing work fatigues or training, soldiers were instructed during the time spent in the rear areas.
Synonyms
3.1 (also fatigue party) [count noun] A group of soldiers ordered to do menial tasks.
4 (fatigues) Loose clothing, typically khaki, olive drab, or camouflaged, of a sort worn by soldiers on active duty: battle fatigues
More example sentences
  • Soldiers in camouflage fatigues and painted faces also carried heavy artillery to provide protective fire power in the event of a genuine security threat.
  • She looked Indian, and had on green camouflage fatigues.
  • Seated next to me in the lounge was a group of soldiers dressed in battle fatigues.
Synonyms
khakis, camouflage clothing/gear
informal camo clothing/gear

verb (fatigues, fatiguing, fatigued)

[with object] Back to top  
1Cause (someone) to feel exhausted: they were fatigued by their journey
More example sentences
  • A headache like that can really fatigue a person.
  • There are other categories, but it fatigues me to list them.
  • He was working nonstop and he was very fatigued.
Synonyms
tire, tire out, exhaust, wear out, drain, make weary, weary, wash out, tax, overtax, overtire, jade, make sleepy; prostrate, enervate
informal knock out, take it out of, do in, fag out, whack, poop, shatter, bush, frazzle, wear to a frazzle
British informal knacker
British vulgar slang shag out
1.1Reduce the efficiency of (a muscle or organ) by prolonged activity: different sensory fibres within the normal retina could be selectively fatigued
More example sentences
  • In mild cases it may be necessary to fatigue the symptomatic muscle.
  • Whereas only 1 of the 12 patients fatigued their quadriceps after an ISW, two thirds of the same patients did so after incremental cycling.
  • My only concern is that you find the ideal weight/rep combination that allows you to optimally fatigue the target muscle in the shortest time.
1.2Weaken (a metal or other material) by repeated variations of stress: the nails have become rusted through or fatigued
More example sentences
  • Repeated stretching and sizing fatigues the brass to the point where it will eventually split, but I restrict things a little more.
  • For carbon forks in general, there should not be any limited life span, as carbon composites themselves are not subject to fatigue failures as metals are.
  • Given the thin faces of today's drivers, how long does a driver last before the metal becomes fatigued?

Origin

mid 17th century (in the sense 'task that causes weariness'): from French fatigue (noun), fatiguer (verb), from Latin fatigare 'tire out', from ad fatim, affatim 'to satiety or surfeit'.

Derivatives

fatiguability

Pronunciation: /-gəˈbɪlɪti/
(also fatigability) noun
More example sentences
  • He adds that prolonged noise increases fatiguability - the tendency to get tired easily.
  • His sleep is variable, but he has loss of energy and fatiguability.
  • Physical activity, leg muscle fatigability, calf muscle flexibility, and leg volume also were measured at the start of the study.

fatiguable

(also fatigable) adjective
More example sentences
  • As any jackhammer repairwoman can attest, the ears are as fatigable as any other major part of the face or head (and considerably more so than noses or hair).
  • In this instance it has a characteristic ‘fatiguable’ quality, in which the more the muscle is used the weaker it becomes.
  • In conclusion, the quadriceps in patients with severe chronic obstructive pulmonary disease are more fatigable than those in age- and sex-matched healthy control subjects.

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