scabrousness - adj.
1 having a rough surface; bearing short stiff hairs, scales, etc.; scurfy.
2 (of a subject, situation, etc.) requiring tactful treatment; hard to handle with decency.
3 a indecent, salacious. b behaving licentiously.

scabrously adv. scabrousness n. [F scabreux or LL scabrosus f. L scaber rough]