Noun
coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis
Source: WordNetI think of reading like a balanced diet; if your sentences are too baggy, too baroque, cut back on fatty Foster Wallace, say, and pick up Kafka as roughage. Zadie Smith
A bit of trash now and then is good for the severest reader. It provides the necessary roughage in the literary diet. Phyllis McGinley
Everywhere you look - Britain, the States, western Europe - people are sealing themselves into crime-free enclaves. That's a mistake - a certain level of crime is part of the necessary roughage of life. Total security is a disease of deprivation. J. G. Ballard
It is valued as a good roughage source for ruminants such as cattle. citation Laundry starch Manioc is also used in a number of commercially available laundry products, especially as starch for shirts and other garments. Source: Internet
While those that feed on concentrates feed and digest in short intervals, the roughage feeders take longer intervals. Source: Internet