1. the quality or state of being errant; a tendency to wander or deviate from a course or standard
Usage: often used in literary or formal contexts
2. the condition of being in error; fallibility or proneness to mistakes
Usage: less common; formal usage

Examples

• The knight's errancy led him across many distant lands in search of adventure.
• The philosopher acknowledged the errancy of human judgment.
• Her errancy from the planned route caused them to discover a hidden village.
• The text explores the errancy of medieval wanderers and their quests.
• Despite his best efforts, the scientist could not eliminate all errancy from the experiment.
• The errancy of the compass made navigation difficult in the magnetic storm.