The old car proved undependable during the long road trip, forcing us to stop for repairs twice.

The undependableness of the delivery service frustrated every customer who expected their packages on time.

The team's undependability during critical moments cost them the championship.

The new bus service has been operating undependably since the routes changed.

He remained undepending, choosing to support himself rather than accept help.

She remained undepended, trusting her own judgment rather than following the crowd.

The new device is undependent of external power sources, allowing it to operate in remote areas.