Impediment

[Sarah]

That which impedes or hinders progress, motion, activity, oreffect.Thus far into the bowels of the land Have we marched on withoutimpediment. Shak.Impediment in speech, a defect which prevents distinct utterance.

[Sarah]

Obstruction

[Hina Muqadas]

[That idiot] [Redditor] who uses [UD] as a source

[Mark Zuckerberg]

A hindrance or obstruction in doing something.

[Zipporah Schumaker]

something that makes progress, movement, or achieving something difficult or impossible: