Vigorous Vigorous synonyms energetic vigorous and energetic robust vigorous and robust strong vigorous and strong dynamic vigorous and dynamic strenuous vigorous and strenuous forceful vigorous and forceful active vigorous and active powerful vigorous and powerful lively vigorous and lively spirited vigorous and spirited Full list of synonyms (1573) Vigorous antonyms weak vigorous and weak feeble vigorous and feeble dull vigorous and dull delicate vigorous and delicate sluggish vigorous and sluggish lazy vigorous and lazy lethargic vigorous and lethargic mild vigorous and mild soft vigorous and soft infirm vigorous and infirm Full list of antonyms (96) Share this picture Share this image Share this picture Share this image