spidery /ˈspaɪ.dɚ.i/ adjective5 •Like a spider.High up on the viaduct, and approached by a spidery staircase from the street, it looks down on Southwark Cathedral. — 1948 •Characterized by many spindly extensions.The spidery construction looked like it would fall apart in a stiff breeze. •(figurative) Cramped or illegible; especially when spiky. •Suggestive of cobwebs; spiderweb-like. •Infested with or containing many spiders. formsspiderier · spideriest