indefatigable

  • 1 Indefatigable — In de*fat i*ga*ble ([i^]n d[ e]*f[a^]t [i^]*g[.a]*b l), a. [L. indefatigabilis: cf. OF. indefatigable. See {In } not, and {Defatigable}, and cf. {Infatigable}.] Incapable of being fatigued; not readily exhausted; unremitting in labor or effort;… …

    The Collaborative International Dictionary of English

  • 2 indefatigable — indefatigable, tireless, weariless, untiring, unwearying, unwearied, unflagging are comparable in their basic meaning of not feeling or manifesting fatigue, but they are closer synonyms in their extended sense of capable of prolonged and arduous… …

    New Dictionary of Synonyms

  • 3 indefatigable — (adj.) 1580s (implied in indefatigably), from Fr. indefatigable (15c.), from L. indefatigabilis that cannot be wearied, from in not (see IN (Cf. in ) (1)) + defatigare to tire out, from de utterly, down, away + fatigare to weary (see …

    Etymology dictionary

  • 4 indefatigable — [in΄di fat′i gə bəl] adj. [MFr indéfatigable < L indefatigabilis < in , not + defatigare, to tire out, weary: see DE & FATIGUE] that cannot be tired out; not yielding to fatigue; untiring indefatigability n. indefatigably adv …

    English World dictionary

  • 5 indefatigable — index diligent, faithful (diligent), incessant, indomitable, industrious, infallible, patient, pe …

    Law dictionary

  • 6 indefatigable — [adj] untiring active, assiduous, bound and determined*, dead set on*, determined, diligent, dogged, energetic, hell bent*, industrious, inexhaustible, ironclad, nose to grindstone*, painstaking, patient, persevering, persistent, pertinacious,… …

    New thesaurus

  • 7 indefatigable — ► ADJECTIVE ▪ never tiring or stopping. DERIVATIVES indefatigably adverb. ORIGIN Latin indefatigabilis, from fatigare wear out …

    English terms dictionary

  • 8 indefatigable — [[t]ɪ̱ndɪfæ̱tɪgəb(ə)l[/t]] ADJ You use indefatigable to describe someone who never gets tired of doing something. [FORMAL] His indefatigable spirit helped him to cope with his illness... He was indefatigable in his efforts to secure funding for… …

    English dictionary

  • 9 indefatigable — in|de|fat|i|ga|ble [ˌındıˈfætıgəbəl] adj formal [Date: 1600 1700; Origin: Early French indéfatigable, from Latin indefatigabilis, from fatigare; FATIGUE] determined and never giving up ▪ an indefatigable campaigner for human rights… …

    Dictionary of contemporary English

  • 10 indefatigable — adjective Etymology: Middle French, from Latin indefatigabilis, from in + defatigare to fatigue, from de + fatigare to fatigue Date: 1608 incapable of being fatigued ; untiring < an indefatigable worker > • indefatigability noun •… …

    New Collegiate Dictionary

  • 11 indefatigable — adjective /ˌɪn.dɪˈfæ.tɪ.ɡə.bl,ɪndɨˈfæɾɨɡəbəɫ/ Extremely persistent and untiring. but he was at the same time an excellent scholar, and most indefatigable in teaching the two lads. Syn: inexhaustible, tireless, untiring, unwearying, u …

    Wiktionary

  • 12 indefatigable — adjective formal determined and never becoming tired: an indefatigable campaigner for human rights indefatigably adverb …

    Longman dictionary of contemporary English

  • 13 indefatigable — adjective the indefatigable Cosby spoke at eight different colleges Syn: tireless, untiring, unflagging, unwearied; determined, tenacious, dogged, single minded, assiduous, industrious, hard working, unswerving, unfaltering, unwavering,… …

    Thesaurus of popular words

  • 14 indefatigable — indefatigability, indefatigableness, n. indefatigably, adv. /in di fat i geuh beuhl/, adj. incapable of being tired out; not yielding to fatigue; untiring. [1580 90; < L indefatigabilis untiring, equiv. to in IN 3 + defatiga(re) to tire out (see… …

    Universalium

  • 15 indefatigable — Synonyms and related words: abiding, ardent, assiduous, constant, continuing, continuous, determined, diligent, dogged, enduring, energetic, faithful, fervent, hard, hardworking, immutable, inalterable, indomitable, industrious, inexhaustible,… …

    Moby Thesaurus

  • 16 indefatigable — I (New American Roget s College Thesaurus) adj. tireless, untiring, relentless, patient. See energy. II (Roget s IV) modif. Syn. inexhaustible, unwearied, tireless; see active 2 , tireless . III (Roget s 3 Superthesaurus) a. tireless, untiring,… …

    English dictionary for students

  • 17 indefatigable — in|de|fat|i|ga|ble [ ,ındı fætıgəbl ] adjective FORMAL never showing signs of getting tired ╾ in|de|fat|i|ga|bly adverb …

    Usage of the words and phrases in modern English

  • 18 indefatigable — see FATIGUE …

    The Hutchinson dictionary of word origins

  • 19 indefatigable —  Tireless …

    Bryson’s dictionary for writers and editors

  • 20 indefatigable — in·de·fat·i·ga·ble || ‚ɪndɪ fætɪgÉ™bl adj. inexhaustible, cannot be fatigued, tireless; persistent, industrious …

    English contemporary dictionary