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strenuous - 20 thesaurus results
| Main Entry: | strenuous |
| Part of Speech: | adjective |
| Definition: | difficult; requiring hard work |
| Synonyms: | Herculean, arduous, demanding, hard, laborious, mean, operose, taxing, toilsome, tough, uphill*, wicked, effortful, energy-consuming, exhausting, toilful, tough going |
| Antonyms: | easy, effortless, facile |
* = informal/non-formal usage
| Main Entry: | strenuous |
| Part of Speech: | adjective |
| Definition: | energetic, zealous |
| Synonyms: | active, aggressive, ardent, bold, determined, dynamic, eager, earnest, lusty, persistent, resolute, spirited, strong, tireless, vigorous, vital, red-blooded |
| Antonyms: | apathetic, enervated, lethargic, unenthusiastic |
| Main Entry: | arduous |
| Part of Speech: | adjective |
| Definition: | difficult, hard to endure |
| Synonyms: | backbreaking, burdensome, formidable, grueling, harsh, heavy, labored, laborious, murder, onerous, painful, punishing, rigorous, rough, severe, strenuous, taxing, tiring, toilsome, tough, troublesome, trying, uphill, exhausting, fatiguing, no picnic |
| Antonyms: | easy, facile, motivating |
| Main Entry: | combative |
| Part of Speech: | adjective |
| Definition: | aggressive |
| Synonyms: | antagonistic, bellicose, belligerent, cantankerous, contentious, energetic, militant, ornery*, pugnacious, quarrelsome, strenuous, truculent, warlike, warring, cussed, fire-eating, gladiatorial, hawkish, ructious, scrappy, trigger-happy |
| Antonyms: | agreeable, peaceful, compromising, peaceloving |
* = informal/non-formal usage
| Main Entry: | dynamic |
| Part of Speech: | adjective |
| Definition: | active, vital |
| Synonyms: | aggressive, changing, charismatic, compelling, driving, effective, electric, energetic, enterprising, forceful, forcible, go-ahead*, influential, intense, lively, lusty, magnetic, peppy*, potent, powerful, productive, progressive, strenuous, vehement, vigorous, zippy*, activating, coming on strong, energizing, go-getter, go-getting, highpowered, hyped-up, play for keeps, play hard ball, red-blooded*, vitalizing |
| Antonyms: | apathetic, boring, dull, inactive, passive, unexciting |
* = informal/non-formal usage
| Main Entry: | energetic |
| Part of Speech: | adjective |
| Definition: | full of life; forceful |
| Synonyms: | active, aggressive, animated, breezy, brisk, driving, dynamic, enterprising, forcible, fresh, hardy, high-powered, indefatigable, industrious, lively, lusty, peppy, potent, powerful, rugged, snappy, spirited, sprightly, spry, stalwart, strenuous, strong, sturdy, tireless, tough, unflagging, untiring, vigorous, vital, vivacious, zippy*, ball of fire, demoniac, kinetic, red-blooded* |
| Antonyms: | idle, inactive, lazy, lethargic, lifeless, slow, sluggish, tired |
* = informal/non-formal usage
| Main Entry: | grueling |
| Part of Speech: | adjective |
| Definition: | difficult, taxing |
| Synonyms: | arduous, backbreaking, brutal, demanding, excruciating, fierce, grinding, hairy*, hard, harsh, heavy*, laborious, punishing, severe, stiff, strenuous, tiring, trying, chastening, crushing, exhausting, fatiguing, racking, torturous |
| Notes: | grueling means characterized by physical effort to the point of exhaustion; gruesome means shockingly repellent, inspiring horror |
| Antonyms: | easy, facile |
* = informal/non-formal usage
| Main Entry: | Herculean |
| Part of Speech: | adjective |
| Definition: | powerful, strong |
| Synonyms: | almighty, backbreaking, colossal, courageous, forceful, gargantuan, gigantic, hard, heroic, huge, impressive, laborious, mighty, strenuous, tough, vigorous |
| Main Entry: | indefatigable |
| Part of Speech: | adjective |
| Definition: | untiring |
| Synonyms: | active, assiduous, bound and determined, determined, diligent, dogged, energetic, hell-bent*, industrious, inexhaustible, ironclad, painstaking, patient, persevering, persistent, pertinacious, relentless, sedulous, steadfast, strenuous, tireless, unfaltering, unflagging, unflinching, unwavering, vigorous, dead set on, nose to grindstone, stop at nothing, unremitting, unwearied, unwearying |
| Antonyms: | fatigued, tired, weary |
* = informal/non-formal usage
| Main Entry: | labored |
| Part of Speech: | adjective |
| Definition: | difficult to understand, unclear |
| Synonyms: | affected, arduous, awkward, clumsy, contrived, forced, hard, heavy, inept, maladroit, operose, overdone, overwrought, ponderous, stiff, strained, strenuous, studied, toilsome, unnatural, uphill*, weighty, effortful |
| Antonyms: | easy, facile, natural, relaxed |
* = informal/non-formal usage
| Main Entry: | lusty |
| Part of Speech: | adjective |
| Definition: | energetic, healthy |
| Synonyms: | brawny, dynamic, hale, hearty, potent, powerful, robust, rugged, stalwart, stout, strapping, strenuous, strong, sturdy, tough, vigorous, vital, red-blooded |
| Antonyms: | lethargic, unhealthy, weak, unenergetic |
| Main Entry: | murderous |
| Part of Speech: | adjective |
| Definition: | difficult |
| Synonyms: | arduous, brutal, criminal, cruel, dangerous, deadly, destroying, destructive, devastating, fell, ferocious, harrowing, hellish, killing, lethal, ruinous, savage, strenuous, unpleasant, exhausting, sapping |
| Antonyms: | easy, facile, pleasant |
| Main Entry: | onerous |
| Part of Speech: | adjective |
| Definition: | difficult; requiring hard labor |
| Synonyms: | arduous, austere, backbreaking, burdensome, cumbersome, demanding, difficult, distressing, exacting, excessive, exigent, formidable, galling, grave, grinding, grueling, hard*, harsh, headache, heavy*, intolerable, irksome, laborious, merciless, oppressive, overpowering, painful, ponderous, pressing, responsible, rigorous, serious, severe, strenuous, taxing, tiresome, tiring, toilsome, troublesome, vexatious, weighty, crushing, embittering, exhausting, fatiguing, overtaxing, plodding |
| Antonyms: | common, easy, light, trivial |
* = informal/non-formal usage
| Main Entry: | painstaking |
| Part of Speech: | adjective |
| Definition: | meticulous, thorough |
| Synonyms: | assiduous, by the numbers*, careful, conscientious, diligent, earnest, exact, exacting, finicky, fussy, heedful, industrious, particular, persevering, persnickety*, picky, punctilious, punctual, scrupulous, sedulous, stickler*, strenuous, thoroughgoing, by the book, conscionable, fussbudget, hard-working |
| Antonyms: | careless, easy, half-baked, thoughtless, unmindful, half-done, unthorough |
* = informal/non-formal usage
| Main Entry: | tireless |
| Part of Speech: | adjective |
| Definition: | determined |
| Synonyms: | active, eager, energetic, enthusiastic, grind, incessant, indefatigable, industrious, jumping, perky, persevering, resolute, steadfast, strenuous, unflagging, untiring, vigorous, ball of fire, hard-working, hyper, on the go, unwearied, unwearying |
| Antonyms: | beat, tired, unenthusiastic, weary, worn out |
| Main Entry: | tiresome |
| Part of Speech: | adjective |
| Definition: | irritating, exasperating |
| Synonyms: | annoying, arduous, boring, burdensome, demanding, difficult, drag, dragging, dull, exacting, flat, hard, heavy, hefty, humdrum, irksome, laborious, monotonous, onerous, oppressive, strenuous, tedious, tired, tiring, too much*, tough, trying, uninteresting, vexatious, wearing, wearisome, yawn*, a bit much, boresome, drudging, enervative, exhausting, fatiguing, ho-hum, jading, nowhere, uncool, unrelieved, wearying |
| Antonyms: | easy, facile, fun, nice, stimulating |
* = informal/non-formal usage
| Main Entry: | toilsome |
| Part of Speech: | adjective |
| Definition: | laborious |
| Synonyms: | arduous, backbreaking, burdensome, demanding, difficult, hard, labored, onerous, operose, rough, strenuous, taxing, tiresome, uphill*, exhausting |
* = informal/non-formal usage
| Main Entry: | trying |
| Part of Speech: | adjective |
| Definition: | difficult, bothersome |
| Synonyms: | annoying, arduous, demanding, exacting, exigent, hard, irksome, irritating, onerous, oppressive, pestilent, provocative, rough, severe, sticky, strenuous, taxing, tight, tiresome, tough, tricky, troublesome, wearisome, weighty, aggravating, exasperating, fatiguing, stressful, upsetting, vexing |
| Antonyms: | easy, facile, mild, moderate, unstressful |
| Main Entry: | vigorous |
| Part of Speech: | adjective |
| Definition: | energetic, powerful |
| Synonyms: | active, athletic, brisk, dashing, driving, dynamic, effective, efficient, enterprising, exuberant, flourishing, forceful, forcible, hale, hardy, healthy, hearty, intense, lively, lusty, mettlesome, peppy, persuasive, potent, robust, rugged, snappy, sound, spanking, spirited, steamroller, strapping, strenuous, strong, sturdy, tough, vital, zealous, zippy*, ball of fire, bouncing, hard-driving, red-blooded*, strong as an ox, take-charge, take-over |
| Antonyms: | enervated, idle, impotent, inactive, lethargic, weak |
* = informal/non-formal usage
| Main Entry: | difficult |
| Part of Speech: | adjective |
| Definition: | hard on someone; hard to do |
| Synonyms: | Gargantuan*, Herculean*, ambitious, arduous, bothersome, burdensome, crucial, demanding, exacting, formidable, galling, heavy, immense, intricate, irritating, labored, laborious, onerous, operose, painful, problem, problematic, prohibitive, rigid, severe, stiff, strenuous, titanic, toilsome, tough, troublesome, trying, unyielding, uphill, wearisome, backbreaker, challenging, difficile, easier said than done, effortful, hard-won, no picnic, not easy, upstream |
| Antonyms: | calm, easy, free, manageable, plain, simple, uncomplicated |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009, Dictionary.com, LLC. All rights reserved.
