| Main Entry: | onerous |
| Part of Speech: | adjective |
| Definition: | difficult; requiring hard labor |
Synonyms: |
arduous, austere, backbreaking, burdensome, crushing, cumbersome, demanding, difficult, distressing, embittering, exacting, excessive, exhausting, exigent, fatiguing, formidable, galling, grave, grinding, grueling, hard*, harsh, headache, heavy*, intolerable, irksome, laborious, merciless, oppressive, overpowering, overtaxing, painful, plodding, ponderous, pressing, responsible, rigorous, serious, severe, strenuous, taxing, tiresome, tiring, toilsome, troublesome, vexatious, weighty |
Antonyms: |
common, easy, light, trivial |
| Main Entry: | arduous |
| Part of Speech: | adjective |
| Definition: | difficult, hard to endure |
Synonyms: |
backbreaking, burdensome, exhausting, fatiguing, formidable, grueling, harsh, heavy, labored, laborious, murder, no picnic, onerous, painful, punishing, rigorous, rough, severe, strenuous, taxing, tiring, toilsome, tough, troublesome, trying, uphill |
Antonyms: |
easy, facile, motivating |
| Main Entry: | burdensome |
| Part of Speech: | adjective |
| Definition: | troublesome |
Synonyms: |
carking, crushing, demanding, difficult, disturbing, exacting, exigent, heavy*, irksome, onerous, oppressive, superincumbent, taxing, tough, trying, wearing, wearying, weighty |
Antonyms: |
aiding, helpful, helping, relieving, unburdensome |
| Main Entry: | demanding |
| Part of Speech: | adjective |
| Definition: | challenging, urgent |
Synonyms: |
ambitious, backbreaker, bothersome, clamorous, critical, dictatorial, difficult, exacting, exhausting, exigent, fussy, grievous, hard, imperious, importunate, insistent, nagging, onerous, oppressive, pressing, querulous, strict, stringent, taxing, tough, troublesome, trying, wearing, weighty |
Antonyms: |
easy, facile, trivial, unchallenging, undemanding |
| Main Entry: | difficult |
| Part of Speech: | adjective |
| Definition: | hard on someone; hard to do |
Synonyms: |
Gargantuan, Herculean, ambitious, arduous, backbreaker, bothersome, burdensome, challenging, crucial, demanding, difficile, easier said than done, effortful, exacting, formidable, galling, hard-won, heavy, immense, intricate, irritating, labored, laborious, no picnic, not easy, onerous, operose, painful, problem, problematic, prohibitive, rigid, severe, stiff, strenuous, titanic, toilsome, tough, troublesome, trying, unyielding, uphill, upstream, wearisome |
Antonyms: |
calm, easy, free, manageable, plain, simple, uncomplicated |
| Main Entry: | exacting |
| Part of Speech: | adjective |
| Definition: | demanding |
Synonyms: |
burdensome, by the book, careful, critical, difficult, exigent, finicky, fussy, grievous, hard, harsh, hypercritical, imperious, nit-picking, onerous, oppressive, painstaking, particular, persnickety, picky, precise, rigid, rigorous, severe, stern, strict, stringent, taxing, tough, trying, unsparing, weighty |
Antonyms: |
giving, lending |
| Main Entry: | exigent |
| Part of Speech: | adjective |
| Definition: | difficult, taxing |
Synonyms: |
arduous, burdensome, demanding, exacting, grievous, hard, harsh, onerous, oppressive, rigorous, severe, stiff, strict, stringent, superincumbent, tough, weighty |
Antonyms: |
easy, facile, unpressured |
| Main Entry: | formidable |
| Part of Speech: | adjective |
| Definition: | difficult, overwhelming |
Synonyms: |
all-powerful, arduous, awesome, ballbuster, challenging, colossal, dismaying, effortful, great, hard, impressive, indomitable, intimidating, labored, laborious, mammoth, mighty, murder*, onerous, overpowering, powerful, puissant, rough go, rough*, staggering, strenuous, tall order, toilsome, tough proposition, tough*, tremendous, uphill |
Antonyms: |
easy, not hard, pleasant, trivial |
| Main Entry: | grievous |
| Part of Speech: | adjective |
| Definition: | severe, painful; serious |
Synonyms: |
afflicting, agonizing, appalling, atrocious, calamitous, damaging, deplorable, dire, dismal, disquieting, distressing, disturbing, dreadful, egregious, flagrant, glaring, grave, harmful, heart-rending, heavy*, heinous, hurtful, injurious, intolerable, lamentable, monstrous, mournful, offensive, onerous, oppressive, outrageous, pathetic, pitiful, sad, shameful, sharp, shocking, sorrowful, taxing, tough, tragic, troublesome, unbearable, upsetting, villainous, weighty, wounding |
Antonyms: |
good, harmless, pleasant |
| Main Entry: | hard |
| Part of Speech: | adjective |
| Definition: | difficult, exhausting |
Synonyms: |
Herculean, arduous, backbreaking, bothersome, burdensome, complicated, demanding, difficile, distressing, effortful, exacting, fatiguing, formidable, grinding, hairy*, heavy*, intricate, involved, irksome, knotty, labored, laborious, mean, merciless, murder, onerous, operose, rigorous, rough, rugged, scabrous, serious, severe, slavish, sticky, strenuous, terrible, tiring, toilful, toilsome, tough, troublesome, unsparing, uphill battle, uphill, wearing, wearisome, wearying |
Antonyms: |
easy, facile, mild, simple |