adj. Having (something) spread throughout, as if by an infestation.
v. Simple past tense and past participle of riddle.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. spread throughout
adj. (often followed by `with') damaged throughout by numerous perforations or holes
Word Usage
"That finding suggests loneliness might be triggering dementia through a novel mechanism — one that doesn't lead to a brain riddled with deposits, Wilson says."