The word "unobstructed" means clear or unblocked, but what about its opposite? Antonyms for this word include "blocked," "closed," "clogged," "obstructed," and "restricted." These terms imply a hindrance or impediment of some kind, whether it's physical or abstract. For example, a blocked path can be frustrating when trying to travel, while a closed door can signify denial of access. Similarly, a clogged drain can cause problems with plumbing, and a restricted budget can limit one's options. Overall, antonyms for "unobstructed" serve to remind us that obstacles can arise in various forms and hinder progress, making clear paths and open channels all the more important.