ponderous

1 causing weariness, restlessness, or lack of interest fell asleep during the ponderous speech Synonyms arid, colorless, drab, dreary, drudging, dry, dull, dusty, flat, heavy, ho-hum, humdrum, jading, jejune, leaden, mind-numbing, monochromatic, monotonous, numbing, old, pedestrian, boring, slow, stale, stodgy, stuffy, stupid, tame, tedious, tiresome, tiring, uninteresting, wearisome, weary, wearyingRelated Words aseptic, barren, blah, dullish, pleasureless, prosaic, prosy, soggy, spiritless; blank, earthbound, gray (also grey), inanimate, pallid, pedantic, sterile, suspenseless, undramatic, uneventful, unexciting, unimaginative, uninspiring, unnewsworthy, unrewarding, unsensational, unspectacular; annoying, bothersome, irksome, irritating; longsome; palling; draining, enervating, exhausting, fatiguing, wearing; debilitating, enfeebling; demoralizing, discouraging, disheartening, dispiriting; common, commonplace, ordinary, tepid, unexceptional, unsurprising, vapid; cumbersome, lumbering, plodding, poky (or pokey)Near Antonyms amazing, astonishing, astounding, awesome, eye-opening, fabulous, marvelous (or marvellous), sensational, spectacular, surprising, wonderful, wondrous; animating, breathtaking, electrifying, energizing, enlivening, exciting, exhilarating, galvanizing, hair-raising, inspiring, invigorating, rip-roaring, rousing, stimulating, stirring, thrilling; amusing, diverting, entertaining; moving, poignant, touching; alluring, attracting, attractive, beguiling, bewitching, captivating, charming, enchanting, enthralling, entrancing, fascinating; mesmerizing, spellbinding; suspenseful; arresting, provocative, tantalizingAntonyms absorbing, engaging, engrossing, gripping, interesting, intriguing, involving, riveting

2 having great weight those ponderous pachyderms more commonly known as elephants Synonyms hefty, massive, heavy, weightyRelated Words burdensome, leaden, lumpish; bulky, elephantine, massy, outsize (also outsized), voluminous; overweight, top-heavy; solid, substantial; ultraheavyNear Antonyms airy, ethereal, feathery, fluffy, gossamer, gossamery; flimsy, insubstantial, slight; lightweight, undersized (also undersize), underweight; ultralight, ultralightweightAntonyms light, weightless

3 difficult to use or operate especially because of size, weight, or design lugged a ponderous movie camera all over China Synonyms awkward, bunglesome, clumsy, clunky, cranky, cumbrous, cumbersome, ungainly, unhandy, unwieldyRelated Words uncontrollable, unmanageable; bulky, dinosaurian, dinosauric, elephantine, heavy, hulking, massive; impracticable, impracticalNear Antonyms functional, practicable, practical, serviceable, usefulAntonyms handy