the.com/obstruction
The art of being a roadblock with the confidence of a road sign.
means Anything that blocks, slows, or deliberately gets in the way of progress, passage, or justice.
from From Latin obstruere, to build against — literally piling something up to block the path.
Legal weightObstruction of justice can outlive the original crime.
Sports tooReferees call it when bodies block legal play.
Medical useDoctors fear obstructions in arteries, bowels, and airways alike.