Barren

The team's efforts to win the game were barren, and they lost.

The barren cow was sent to the slaughterhouse as it could not produce milk.

The athlete's training regimen was barren of any variety or new techniques.

The athlete's performance was barren and lacked the usual finesse.

The barren team lacked coordination and strategy.

The barricade set up by police acted as a barren to prevent protestors from entering the building.