indefatigable
Syllables: in·de·fa·tig·a·bleUK/ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/US/ˌɪn.dəˈfæt.ɪ.ɡə.bəl/
More pronunciations (1)Fewer pronunciations
indefatigable adjective: extremely persistent and untiring.
Adjective
indefatigable (comparative more indefatigable, superlative most indefatigable)
- Extremely persistent and untiring.
- [...] But he was at the ſame Time an excellent Scholar, and moſt indefatigable in teaching the two Lads.1749, Henry Fielding, “Containing Two Letters in Very Different Stiles”, in The History of Tom Jones, a Foundling, volume VI, London: A[ndrew] Millar, […], →OCLC, book XVIII, page 196
- He was respected by all who knew him for his integrity and indefatigable attention to public business.1816 June – 1817 April/May (date written), [Mary Shelley], chapter I, in Frankenstein; or, The Modern Prometheus. […], volume I, London: […] [Macdonald and Son] for Lackington, Hughes, Harding...
- Synonyms:
- inexhaustible, relentless, tireless, unflagging, unsinkable, untiring, unwearying
- Antonyms:
- defatigable
Proper noun capitalized: Indefatigable
Indefatigable
- Synonym of Santa Cruz, an island of Galapagos, Ecuador.
- Synonyms:
- Santa Cruz
indefatigable meaning in Hindi, Tamil, Urdu and Bengali
indefatigable in Hindi
- indefatigable
- अथक athak
indefatigable in Tamil
- சோர்வுறாத, தளர்ச்சியடையாத, விடா முயற்சியுடைய, சளைக்காத, களைப்படையாத
indefatigable in Urdu
- انتھک, بےتکان, چڑھے دم, ناقابل تکان, پیہم
indefatigable in Bengali
- অক্লান্ত
More languagesFewer languages
- indefatigable in Malayalam
- തളരാത്ത, തളർത്താൻ സാദ്ധ്യമല്ലാത്ത, അക്ഷീണമായ, മടുത്തുപോകാത്ത
- indefatigable in Kannada
- ಬಳಲದ, ದಣಿವರಿಯದ
- indefatigable in Arabic
- لَا يَتْعَبُ lā yatʕabu
Synonyms of indefatigable
Antonyms
Forms of indefatigable
| comparative | more indefatigable |
|---|---|
| superlative | most indefatigable |
Origin of indefatigable
From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).
Named by the British Admiralty in honor of the HMS Indefatigable.
Words formed from indefatigable
Questions about indefatigable
- What does indefatigable mean?
- Indefatigable means extremely persistent and untiring.
- What is indefatigable in Hindi?
- Indefatigable in Hindi is अथक (athak). See Indefatigable meaning in Hindi.
- What part of speech is indefatigable?
- Indefatigable can be an adjective or a proper noun.
- How do you pronounce indefatigable?
- Indefatigable is pronounced /ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/ (UK).
Words near indefatigable in the dictionary
Source and license
Adapted from Wiktionary: indefatigable (page history and authors); Indefatigable (page history and authors); अथक (Hindi) (page history and authors); indefatigable (Tamil Wiktionary) (page history and authors); indefatigable (Urdu Wiktionary) (page history and authors); indefatigable (Bengali Wiktionary) (page history and authors); indefatigable (Olam, E.K. Kurup corpus) (dataset and license); indefatigable (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-indefatigable.ogg, En-us-ncalif-indefatigable.ogg.
Cite this entry: “indefatigable.” Word.ws, https://word.ws/indefatigable. Based on Wiktionary, CC BY-SA 4.0.