unreliably

the old car ran unreliably, often stalling at intersections.

he reported the data unreliably, leading to inaccurate conclusions.

the internet connection worked unreliably, making video calls difficult.

the witness testified unreliably, casting doubt on the entire case.

the weather forecast predicted rain unreliably, so we packed light.

the aging equipment performed unreliably, requiring constant maintenance.

the gps signal functioned unreliably in the dense forest.

the memory card stored files unreliably, risking data loss.

the printer operated unreliably, frequently jamming the paper.

the battery drained unreliably, leaving us stranded.

the software rendered images unreliably across different browsers.