What's the difference between cobweb and cobwebby?

Cobweb

Definition:

(n.) The network spread by a spider to catch its prey.
(n.) A snare of insidious meshes designed to catch the ignorant and unwary.
(n.) That which is thin and unsubstantial, or flimsy and worthless; rubbish.
(n.) The European spotted flycatcher.

Example Sentences:

(1) The dream has allowed us to ignore that our social safety net has been shredded into cobwebs, because the dream tells us that if we work hard enough, we won’t ever need a net.
(2) Outside, the ancient trees provide a habitat for several rare insect species, including the cobweb beetle, and many bats, such as the noctule, that like to eat them.
(3) This article also suggests some defences in the event that physicians get involved in the legal cobweb.
(4) That was in March 2012, more than six years after the offence, by which time this particular scandal had cobwebs on it, and Harper had won two more elections, in November 2008 and May 2011.
(5) There’s no better way to shed the cobwebs from the night before than with a blast of rain-fresh Dublin air and a stretch of the legs.
(6) Tottenham’s Denmark playmaker had not completed 90 minutes since 15 August, a knee injury hampering his early-season form, but two free-kick equalisers blew away the cobwebs here and ensured deserved parity for his team in a vibrant game characterised by swagger on the ball and defensive jitters off it.
(7) Formation of inner protein nidus in the form of a cobweb is the first stage, then calcite is deposited on this fibrous network as tiny crystals.
(8) Our sonographic examination showed a large multilocular cyst with a cluster of honeycomb cysts revealing a cobweb appearance, which correlated with the pathologic specimen, and revealed characteristics of the disease.
(9) The SEM showed that admixed with normal-looking portions, there were abnormal portions of the elastic fibers which were composed of many unusual fine fibers (5-22 nm in diameter), and had a cobweb-like appearance.
(10) Lovely as it is, on a sunny summer's day Plockton can start to feel crowded and there's nothing like this hike to the summit of the crags which loom over the village to blow the cobwebs from your hair, taking in the view of the village and its stunning coastal setting.
(11) Now, once again, people mostly understand the complex cobweb of social interactions.
(12) Awareness of these CT findings, including early equivalent enhancement of the inferior vena cava and aorta; enlarged, poorly functioning kidney; and perirenal "cobwebs," will lead to the appropriate confirmatory angiographic studies.
(13) Director Steve McQueen's determined appreciation of the sedate, haunted beauty of the landscape, with ghostly cobwebs of Spanish moss trailing over shimmering bayous, throws the evils of violence and slavery into even sharper relief.
(14) No matter how they rage against injustice, his team-mates should appreciate in some cobwebbed corner of their minds that they were outplayed.
(15) Cobwebs, heavy with dead flies, hung above our heads.
(16) I am sure many people find it difficult to settle down to watch a DVD with a cobweb hanging behind the TV.
(17) Minnelli's many neuroses are freely at play in these movies, and never more so than in the mental hospital melodrama The Cobweb, in which a range of now-defunct pathologies – ah, frigidity and nymphomania, where have you gone?
(18) Police say the room used as an operating theatre was hung with cobwebs, and that the fast turnover of operations meant there was no time to change bloodied sheets.
(19) The Dracula Experience ( adults £3, kids £2.50), with its trailing cobwebs and dangling rubber bats is the ultimate, slightly rubbish rainy day seaside attraction.
(20) Fecal specimens and soil or cobweb samples were collected from each farm and cultured on selective media.