wander

fe’l verb

1. To move without purpose or specified destination; often in search of livelihood. to wander over the fields
2. To stray; stray from one's course; err. A writer wanders from his subject.
3. To commit adultery.
4. To go somewhere indirectly or at varying speeds; to move in a curved path.

ot noun

1. The act or instance of wandering. to go for a wander in the park
2. The situation where a value or signal etc. deviates from the correct or normal value. baseline wander in ECG signals