Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

vigorous

adjective

Synonyms and Antonyms of vigorous

  1. 1 having active strength of body or mind <he remains healthy and vigorous despite being over 80 years old> Synonyms dynamic, energetic, flush, gingery, lusty, peppy, red-blooded, robust, vital Related Words animated, brisk, dashing, kinetic, lively, punchy, spirited, sprightly, vivacious; energized, enlivened, invigorated, vitalized; firm, fortified, mettlesome, mighty, powerful, puissant, strong; refreshed, rejuvenated, revitalized; able-bodied, athletic, beefy, brawny, burly, fit, hardy, husky, muscular, robustious, rugged, stalwart, stout, strapping, sturdy, tough, virile; hale, healthy, hearty, sound; capable, competent Near Antonyms delicate, effete, enervated, faint, feeble, frail, infirm, wan, weak, weakened; impotent, powerless, prostrate, prostrated, sapped, tired; indolent, lackadaisical, languid, lazy; invertebrate, nerveless, soft, spineless, wimpy; ill, unhealthy, unsound, unwell; broken-down, debilitated, decrepit, disabled, wasted, worn-out Antonyms dull, lethargic, listless, sluggish, torpid

  2. 2 able to withstand hardship, strain, or exposure <vigorous and sturdy little sheep bred to live in mountainous regions> Synonyms cast-iron, hard, hard-bitten, hardened, inured, rugged, stout, strong, sturdy, tough, toughened, hardyRelated Words flinty, leathery, resilient, stalwart; durable, enduring, everlasting, immortal, imperishable, lasting, permanent, stable, staunch (also stanch), staying, tenacious, unyielding; flourishing, prospering, thriving; able-bodied, brawny, muscular; fit, fortified, hale, healthy, husky, lusty, red-blooded, robust, sound, strapping, virile; annealed, seasoned, temperedNear Antonyms emasculated, enervated, enfeebled, exhausted, run-down, sapped, wasted, weakened, worn, worn out; crippled, debilitated, diseased, incapacitated, infirm, unsound; fragile, frail, puny; resistless, sensitive, susceptible, unresistant, vulnerable, yielding; mortal, perishable, temporary, transientAntonyms delicate, nonhardy, soft, tender, weak

  3. 3 marked by or uttered with forcefulness <offered a vigorous dissent to the proposal> Synonyms aggressive, assertive, dynamic, energetic, forceful, full-blooded, muscular, resounding, strenuous, vehement, emphatic, violentRelated Words decided, insistent, marked, pointed; absolute, categorical (also categoric), clear, plain, unambiguous, unequivocal; arresting, compelling, conspicuous, impelling, noticeable, strikingNear Antonyms guarded, mild, uncompelling, weak, wishy-washy; ambiguous, equivocal, halting, hesitant; understatedAntonyms nonassertive, nonemphatic, unemphatic

  4. 4 not showing weakness or uncertainty <gave the bottle of sauce a vigorous shaking> Synonyms forceful, hearty, iron, lusty, robust, solid, stout, strong, sturdy, firmRelated Words hard, ironclad, mighty, powerful, tough, unyielding; animated, brisk, energetic, frisky, jaunty, jazzy, lively, peppy, perky, spirited, sprightful, sprightly, springy, vital, vivacious, zippy; assured, certain, confident, sanguine, secure, sureNear Antonyms feeble, fragile, frail; limp, listless, spiritless; diffident, insecure, self-doubting; characterless, effete, frail, spineless, weakened, weak-kneed, wimpy, wishy-washyAntonyms uncertain, weak





Seen and Heard

What made you want to look up vigorous? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin prompt angry oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ