| 单词 | indefatigable |
| 释义 | 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 DE-, FATIGUE) + -bilis -BLE] Syn. tireless, inexhaustible, persevering. |
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