indefatigable

形容词 adj.
中文释义
英 /ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/    美 /ˌɪn.dəˈfæt.ɪ.ɡə.bəl/|[ˌɪn.dəˈfæɾ.ɪ.ɡə.bəl]

英文释义

形容词 adj.
  1. Extremely persistent and untiring.
    — [...] But he was at the ſame Time an excellent Scholar, and moſt indefatigable in teaching the two Lads.

词形变化

more indefatigable comparative most indefatigable superlative

词源

From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).
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