Definition of laborious:
intemperate, grave, wakeless, with child, serious, impenetrable, enceinte, large, concentrated, surd, unvoiced, backbreaking, cloggy, big, profound, ponderous, laboured, rigorous, exigent, operose, diligent, sound, sonorous, dense, exacting, strong, overweight, labourious, threatening, clayey, gravid, taxing, active, voiceless, effortful, hard, gruelling, grueling, sullen, assiduous, fleshy, weighed down, indefatigable, leaden, grievous, toilsome, knockout, lumbering, exhausting, expectant, heavy, labored, arduous, straining, tall, easy, great, lowering, punishing, weighty.
difficult (part of speech: adjective)
- working (part of speech: adjective)
- "Political economy", W. Stanley Jevons.
- "Daisy Burns (Volume 2)", Julia Kavanagh.
We were expected by nature to make our own sugar in this way, but this has proved too slow and laborious a way for human nature to get all the sugar it cared for, so most people prefer to secure it ready made.- "Health Through Will Power", James J. Walsh.