blank wall

block fence wall

barricade clog deterrent encumbrance hindrance hurdle impediment obstacle obstruction pale rail railing restraint snag stop traverse

road block stumbling block

advantage aid assistance clearance encouragement help opening promotion support

barrier blockade fence rampart roadblock wall

bar block bulwark obstruction palisade stockade stop

opening

aid help

barricade blockade boundary fence hurdle impediment limit obstacle railing roadblock wall

bar bound confines curtain ditch enclosure fortification gully moat palisade rampart stop trench

pale

assistance help opening

open

cul-de-sac dead end dead-end street impasse tangent

bar barrier chunk roadblock wall

blockage clog hang-up hindrance impediment jam mass obstacle obstruction snag stop stoppage

advantage aid assistance beginning clearance continuation go help promotion start support

opening

barricade closure encirclement restriction roadblock siege stoppage

bar clog embolus hindrance impediment infarct infarction obstacle obstruction snag stop wall

beginning opening start

advantage aid assistance clearance help promotion support

stalemate

Catch-22 blind alley corner draw impasse nowhere to turn obstacle road block standoff stumbling block

barrier catch complication deterrent difficulty discouragement drawback hindrance hitch hurdle impediment limitation obstacle obstruction snag stone in one's path stumbling block

bar block break conclusion pause

barricade blockade cease cessation check close closing control cutoff discontinuation ending fence finish freeze hindrance layoff letup lull plug roadblock standstill stay stoppage termination wall

breakoff brick wall desistance grinding halt screeching halt

continuation

advance aid assistance beginning commencement go help initiation introduction opening start