vigorous

[vig-er-uhs]

adjective

1. full of or characterized by vigor.

   a vigorous effort.

   Antonyms: weak

2. strong; active; robust.

   a vigorous youngster.

   Synonyms: healthy, sound, sturdy
   Antonyms: weak

3. energetic; forceful: a vigorous personality.

   vigorous steps;

   a vigorous personality.

   Synonyms: powerful
   Antonyms: weak

4. powerful in action or effect.

   vigorous law enforcement.

   Antonyms: weak

5. growing well, as a plant.

   Antonyms: weak

vigorous

/ ˈvɪɡərəs /

adjective

1. endowed with bodily or mental strength or vitality; robust

2. displaying, involving, characterized by, or performed with vigour

   vigorous growth

Other Word Forms

• vigorously adverb
• vigorousness noun
• overvigorous adjective
• overvigorousness noun
• supervigorous adjective
• supervigorousness noun
• unvigorous adjective
• unvigorousness noun

Word History and Origins

Origin of vigorous¹

First recorded in 1300–50; Middle English, from Old French, from Medieval Latin vigorōsus; vigor, -ous

Synonym Study

See active.

Related Words

• active 
• brisk 
• dynamic 
• effective 
• efficient 
• forceful 
• healthy 
• intense 
• lively 
• persuasive 
• potent 
• robust 
• spirited 
• strenuous 
• strong 
• tough 
• vital 
• zealous