ふきそく不規則fukisoku
1.

Describing a quality or condition that deviates from established norms or patterns, often characterized by unpredictability or lack of consistency in behavior or structure.

2.

Pertaining to a state of existence or activity that does not follow a systematic or orderly arrangement, leading to chaos or imbalance in routines or practices.

3.

Reflecting a nature that is not governed by rules or regularity, resulting in sporadic or erratic occurrences rather than expected, orderly sequences.

Example:

生理が不規則です。