indefatigably

IPA/ˌɪndɪˈfætɪɡəbli/
IPA/ˌɪndɪˈfætɪɡəbli/

indefatigably — adverb

1. in a way that shows steady determination and energy over a long period, without

1.副詞C2
釋義

in a way that shows steady determination and energy over a long period, without ever seeming to grow tired or want to stop

例句

Hiroshi worked indefatigably on the village water project for nearly three years.

modifies a sustained-effort verb (worked / campaigned / pursued)

The volunteers searched indefatigably through the rubble for survivors after the earthquake.

describes prolonged physical effort under hardship

同義詞
  • tirelessly

    everyday near-synonym; far more common in speech

  • untiringly

    literary; slightly more formal than tirelessly

  • relentlessly

    adds a sense of pressure or refusing to stop; can sound aggressive

  • doggedly

    emphasises stubbornness more than energy

反義詞

用法筆記

Almost always modifies verbs that describe sustained, demanding work over weeks or years (campaigned, worked, fought, studied, searched). Rarely modifies short or one-off actions — saying someone 'jumped indefatigably' sounds odd because the activity is too brief.

常見錯誤

❌She answered the question indefatigably.
✅She campaigned indefatigably for years.
💡the adverb needs an activity that lasts long enough to show tireless effort.
❌He ran indefatigably for ten minutes.
✅He trained indefatigably for the marathon.
💡the duration is too short for 'indefatigably' to fit naturally.