indefatigable
/ˌɪn.dəˈfæt.ɪ.ɡə.bəl/
Word Rarity
Rare
Frequency: Zipf frequency 2.55 in modern English
20
Scrabble Score
13
Letters
6
Syllables
10
Unique Chars
Meaning
adj
Extremely persistent and untiring.
name
Synonym of Santa Cruz, an island of Galapagos, Ecuador.
Example Sentences
- "[...] But he was at the ſame Time an excellent Scholar, and moſt indefatigable in teaching the two Lads."
- "He was respected by all who knew him for his integrity and indefatigable attention to public business."
- "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."
Etymology
From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).
Origin
Word Breakdown
- Root: -, indēfatīgābilis
Regional Pronunciation
- American English: /ˌɪn.dəˈfæt.ɪ.ɡə.bəl/
- British English: /ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/
Inflected Forms
more indefatigable (comparative)
most indefatigable (superlative)