1.
hindrance, obstacle, impediment
Something that gets in the way or prevents progress. The noun form of the verb 妨げる (to hinder). Often used in formal or written contexts to describe factors that obstruct plans, progress, or activities.
Usage
Most commonly appears in the pattern ~の妨げになる (to become a hindrance to ~). The related verb 妨げる means "to hinder" or "to obstruct."
Common collocations
Similar words
障害 is a more general term for obstacles or barriers. 妨げ emphasizes the act of blocking or interfering with something, while 障害 refers to the obstacle itself.