ponderous Synonyms

heavy lumbering oppressive serious massive operose pedestrian philosophical pleasureless heavyweight onerous monochromatic massy maladroit lumpy lumpish lubberly plodding pokey backbreaking weighty unwieldy ungainly trying toilsome tedious substantial stodgy stale sluggish slow severe sad rough lifeless leaden dull drudgery dinosaurian cumbrous cumbersome complex clumsy clodhopping burly bureaucratic burdensome bulky boring blundering