English Reference
adjective

vigorous

adj.
US /ˈvɪɡɝəs/ UK /vˈɪɡəɹəs/ vig·or·ous

  1. 01 B2 Upper Intermediate

    done with a lot of energy, speed, or physical strength.

    characterized by or involving great physical energy, force, or effort.

    Simple

    He gave the rug a vigorous shake to get all the dust out.

    In context

    The doctor recommended at least thirty minutes of vigorous exercise daily to improve cardiovascular health and overall stamina.

  2. 02 B2 Upper Intermediate

    strong, healthy, and full of life.

    possessing physical or mental vitality; robust and flourishing.

    Simple

    The young plants looked vigorous and green after the heavy rain.

    In context

    Despite his advanced age, the professor remained a vigorous debater who could outlast colleagues half his age in academic arguments.

  3. 03 B2 Upper Intermediate Academic

    showing strong feelings or a lot of effort to achieve something.

    characterized by forceful expression or intense determination.

    Simple

    The company mounted a vigorous defense against the new regulations.

    In context

    The proposal met with vigorous opposition from local residents who were concerned about the environmental impact of the new highway.

    half heartedindifferent

Online spaces, and social media in particular, are forums for vigorous political debate.

Phys.org· 21 Aug 2026

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

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin vigor
Level B2 · Upper Intermediate
Frequency Frequent
Updated