Wander
/ˈwɒndə/
noun
The act or instance of wandering.
“to go for a wander in the park”
The situation where a value or signal etc. deviates from the correct or normal value.
“baseline wander in ECG signals”
verb
To move without purpose or specified destination; often in search of livelihood.
“to wander over the fields”
To stray; stray from one's course; err.
“A writer wanders from his subject.”
To commit adultery.