szeszélyes

Likely to change suddenly or act in an unpredictable way, based on personal whim rather than reason or consistent rules.

Having an unusual feature, minor fault, or irregular behavior that makes something work in an unexpected way.

Having moods and reactions that change quickly and unpredictably, often becoming easily upset or difficult to deal with.

(Of a machine, device, or system) working inconsistently and likely to fail or behave unpredictably.

Having a tendency to change mood, behavior, or decisions suddenly and for no good reason, so that others find you unreliable or hard to predict.

Likely to change ideas, moods, or interests quickly; fickle and unpredictable.

Unpredictable and changeable in a way that is difficult to manage or rely on.

Describes a person or living being whose actions, moods, or decisions vary in ways that cannot be reliably expected.

Describing natural forces, systems, or conditions that change suddenly in an irregular way and are difficult to predict or control.