The word "dis-encumber" means to free from a burden or obstacle. Therefore, antonyms for this word would be words that indicate adding or causing burdens or obstacles. Some antonyms for "dis-encumber" are words like block, obstruct, impede, hinder, burden, and handicap. These words all signify adding something that makes movement, progress, or completion more difficult. Dis-encumber, on the other hand, signifies removing these obstacles or burdens. These antonyms can be used to describe situations where progress or productivity is hindered due to the presence of an obstacle or a heavy burden that needs to be removed.