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vigorous

/ˈvɪɡəɹəs/ adjective

In Latin: vegetus, vigrus, strēnuus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about vigorous at Wordnik → Where our words come from →

  1. Physically strong and active.
    a vigorous scrub
  2. Mentally strong and active.
  3. Rapid of growth.
    a vigorous shrub

Origin

From Anglo-Norman vigrus, from Old French vigoros (French vigoureux), from Medieval Latin vigorosus, from Latin vigor. Doublet of vigoroso.

From Wiktionary, via Kaikki.org (CC BY-SA)