Also found in: Thesaurus, Medical, Legal, Encyclopedia.


1. Thick and adhesive. Used of a fluid.
2. Covered with a sticky or clammy coating.

[Late Latin viscidus, from Latin viscum, mistletoe, birdlime made from mistletoe berries.]

vis·cid′i·ty, vis′cid·ness n.
vis′cid·ly adv.


1. cohesive and sticky; glutinous; viscous
2. (Botany) (esp of a leaf) covered with a sticky substance
[C17: from Late Latin viscidus sticky, from Latin viscum mistletoe or birdlime]
visˈcidity, ˈviscidness n
ˈviscidly adv


(ˈvɪs ɪd)

1. having a glutinous consistency; sticky; viscous.
2. Bot. covered by a sticky substance.
[1625–35; < Late Latin viscidus < Latin visc(um) (see viscous)]
vis•cid′i•ty, n.
vis′cid•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.viscid - having the sticky properties of an adhesive
adhesive - tending to adhere


Having a heavy, gluey quality:


[ˈvɪsɪd] ADJviscoso


adj (form)zähflüssig; (Bot) → klebrig
References in classic literature ?
It seemed to have become vegetable; to have degenerated in that rank, sunless air to lush lichen or spreading moss that grew in patches to the staircase and was viscid under the foot like organic matter.
But as the excretion is extremely viscid, it is probably a convenience to the aphides to have it removed; and therefore probably the aphides do not instinctively excrete for the sole good of the ants.
As the quart insensibly passes into the sandstone, it seems probable tha the former owes its origin to the sandstone having bee heated to such a degree that it became viscid, and upon cooling crystallized.
plano-convex, broadly umbonate, undulating surface, deep cinnamon to red-brown to dark brick, central disc darker, in mature specimens surface zonate, surface smooth, viscid, shiny, cap margin clearly white to cream with dentate processes, involute.
Ahmed, Hepatitis C Virus NS3-NS4A Protease Inhibitors from the Endophytic Penicillium chrysogenum Isolated from the Red Alga Liagora viscid, Z.
In fact, PCD is a better modality of treatment than needle aspiration as the latter required repeated aspirations and often failed to drain thick viscid pus.
When raised the wire loop, if strands of viscid material seen, then the bacterium is gram-negative.
According to Wilson, the fruit may also fall with the glume in species with viscid spikelets: in C.
Lumen(cavity)- Cyst fluid( watery & opalescent ) but sometimes viscid and Yellowish.
In addition the extraction of ADA from the sputum is difficult and high levels of viscid DNA and proteases from various inflammatory cells in the sputum can have an impact on the assay.
I can vaguely recall the hot, viscid bodies on the streets, draped in blue, and the kohl-rimmed eyes of gamelan singers obscured by the sun.