indefatigable


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in·de·fat·i·ga·ble

 (ĭn′dĭ-făt′ĭ-gə-bəl)
adj.
Having or showing a capacity for persistent effort; not tiring or relenting: See Synonyms at tireless.

[Obsolete French indéfatigable, from Latin indēfatīgābilis : in-, not; see in-1 + dēfatīgāre, to tire out (dē-, intensive pref.; see de- + fatīgāre, to weary).]

in′de·fat′i·ga·bil′i·ty n.
in′de·fat′i·ga·bly adv.

indefatigable

(ˌɪndɪˈfætɪɡəbəl)
adj
unable to be tired out; unflagging
[C16: from Latin indēfatīgābilis, from in-1 + dēfatīgāre, from fatīgāre to tire]
ˌindeˌfatigaˈbility, ˌindeˈfatigableness n
ˌindeˈfatigably adv

in•de•fat•i•ga•ble

(ˌɪn dɪˈfæt ɪ gə bəl)

adj.
incapable of being tired out; untiring.
[1580–90; < Latin indēfatīgābilis untiring]
in`de•fat`i•ga•bil′i•ty, in`de•fat′i•ga•ble•ness, n.
in`de•fat′i•ga•bly, adv.

indefatigable

- Means "incapable of being wearied."
See also related terms for incapable.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.indefatigable - showing sustained enthusiastic action with unflagging vitalityindefatigable - showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"
energetic - possessing or exerting or displaying energy; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction"

indefatigable

adjective tireless, dogged, persevering, patient, relentless, diligent, inexhaustible, unremitting, assiduous, unflagging, untiring, sedulous, pertinacious, unwearying, unwearied His indefatigable spirit helped him to cope with the illness.

indefatigable

adjective
Having or showing a capacity for protracted effort, regardless of difficulty or frustration:
Translations
neúnavný
uupumatonväsymätön

indefatigable

[ˌɪndɪˈfætɪgəbl] ADJincansable, infatigable

indefatigable

[ˌɪndɪˈfætɪgəbəl] adj [person] → infatigable

indefatigable

adj, indefatigably

indefatigable

[ˌɪndɪˈfætɪgəbl] adjinfaticabile, instancabile
References in classic literature ?
He knew him to be proud and ill-natured; he also knew that his divinity itself was tinctured with his temper, and such as in many respects he himself did by no means approve; but he was at the same time an excellent scholar, and most indefatigable in teaching the two lads.
Chief among those who did this fetching and carrying was Captain Bildad's sister, a lean old lady of a most determined and indefatigable spirit, but withal very kindhearted, who seemed resolved that, if she could help it, nothing should be found wanting in the Pequod, after once fairly getting to sea.
All night long the Martians were hammering and stirring, sleepless, indefatigable, at work upon the machines they were making ready, and ever and again a puff of greenish- white smoke whirled up to the starlit sky.
The origin of the island of Nukuheva cannot be imputed to the coral insect; for indefatigable as that wonderful creature is, it would be hardly muscular enough to pile rocks one upon the other more than three thousand feet above the level of the sea.
I won't give you an account of all my wanderings, though I have been most indefatigable; for I am keeping, as I told you before, a most EXHAUSTIVE journal, which I will allow you the PRIVILEGE of reading on my return to Bangor.
But not content with this good deed, the indefatigable house again bestirred itself: Samuel and all his Sons --how many, their mother only knows --and under their immediate auspices, and partly, I think, at their expense, the British government was induced to send the sloop-of-war Rattler on a whaling voyage of discovery into the South Sea.
Dashwood remained at Norland several months; not from any disinclination to move when the sight of every well known spot ceased to raise the violent emotion which it produced for a while; for when her spirits began to revive, and her mind became capable of some other exertion than that of heightening its affliction by melancholy remembrances, she was impatient to be gone, and indefatigable in her inquiries for a suitable dwelling in the neighbourhood of Norland; for to remove far from that beloved spot was impossible.
A more resolute, indefatigable pioneer never wrought amidst rocks and dangers.
Not only many of the officers of government, who obeyed the dictates of personal interest, but others, from a mistaken estimate of consequences, or the undue influence of former attachments, or whose ambition aimed at objects which did not correspond with the public good, were indefatigable in their efforts to pursuade the people to reject the advice of that patriotic Congress.
Just as the different parties were about to set out on the 3d of July, on their opposite routes, Captain Bonneville received intelligence that Wyeth, the indefatigable leader of the salmon-fishing enterprise, who had parted with him about a year previously on the banks of the Bighorn, to descend that wild river in a bull boat, was near at hand, with a new levied band of hunters and trappers, and was on his way once more to the banks of the Columbia,
He will be as indefatigable in defending our historical edifices as our iconoclasts of the schools and academies are eager in attacking them; for it is a grievous thing to see into what hands the architecture of the Middle Ages has fallen, and in what a manner the botchers of plaster of the present day treat the ruin of this grand art, it is even a shame for us intelligent men who see them at work and content ourselves with hooting them.
He was respected by all who knew him for his integrity and indefatigable attention to public business.