grievous

1 difficult to endure the months of chemotherapy seemed almost as grievous an affliction as the cancer itself Synonyms bitter, brutal, burdensome, cruel, excruciating, harsh, grim, hard, hardhanded, heavy, inhuman, murderous, onerous, oppressive, rough, rugged, searing, severe, stiff, tough, tryingRelated Words austere, bleak, comfortless, discomforting, forbidding, inhospitable, spartan, uncomfortable; biting, inclement, intemperate, wild; rigorous, strict, stringent; agonizing, heartbreaking, heartrending, painful, wretched; crushing, grinding, overwhelming, wearing; insufferable, insupportable, intolerable, unbearable, unendurable; harrowing, tortuous; bad, disagreeable, hostile, unfriendly, unpleasantNear Antonyms comfortable, cozy, luxurious, snug; agreeable, friendly, genial, hospitable, pleasant; peaceful, relaxing, reposeful, restful; bearable, endurable, painless, tolerable; balmy, calm, clement, gentle, mild, moderate, temperateAntonyms easy, light, soft

2 hard to accept or bear especially emotionally the death of a spouse can be a grievous loss from which one never recovers Synonyms afflicting, agonizing, cruel, excruciating, galling, bitter, harrowing, harsh, heartrending, hurtful, painful, tormenting, torturousRelated Words insufferable, insupportable, intolerable, unacceptable, unbearable, unendurable, unsupportable; appalling, awful, bad, dire, dreadful, ghastly, horrible, miserable, nasty, rotten, severe, terrible, vile, wretched; acute, extreme, intense, piercingNear Antonyms bearable, endurable, supportable, sustainable, tolerable; livable (also liveable), sufferable, survivable; acceptable, allowable, reasonableAntonyms gratifying, pleasing, sweet

3 involving potential loss or injury a grievous wound that requires a doctor's immediate attention Synonyms grave, dangerous, hazardous, jeopardizing, menacing, parlous, perilous, risky, serious, threatening, unhealthy, unsafe, venturesomeRelated Words dicey, insecure, precarious, treacherous, uncertain; ultrahazardous; chance, haphazard, random; distressing, sickening, unpleasant; ugly, wicked; adverse, bad, baleful, baneful, deleterious, detrimental, evil, harmful, hurtful, ill, inimical, injurious, malignant, nasty, noxious, pernicious, pestilent; deadly, deathly, destructive, dire, fatal, fateful, fell, killer, lethal, mortal, murderousNear Antonyms advantageous, beneficial, good; ultrasafeAntonyms harmless, innocent, innocuous, nonhazardous, nonthreatening, safe, unthreatening

4 of a kind to cause great distress the grievous cost of the war in human lives weighed heavily on the president's mind Synonyms deplorable, distressful, distressing, regrettable, heartbreaking, heartrending, lamentable, tragic (also tragical), unfortunate, unlucky, woefulRelated Words troublesome, vexatious; affecting, doleful, moving, piteous, poignant, ruthful, touching; awful, dire, dreadful, fearful, severe, terrible; alarming, disturbing, perturbing, traumatic, unsettling; crushing, excruciating, harrowing, horrible, horrifying, intolerable, overwhelming, shocking, sickening, unbearable; miserable, pitiful, sad, wretched; calamitous, disastrous; painful, raging, sharpNear Antonyms gratifying, pleasing, rewarding, satisfying; comforting, encouraging, heartening; cheering, heartwarming, inspiring; fortunate, happy, lucky