aberration

a state or condition markedly different from the norm

The act of wandering; deviation, especially from truth or moral rectitude, from the natural state, or from a type.

Latin 'ab-' apart + 'errare' to wander

“He seems the only calm man to be found in the hall--but is the calm aberration?”

— Winston Churchill, Project Gutenberg Complete Works of Winston Churchill

In Ghent's quirky art district, Jiro marveled at a sculpture that was an aberration of norms—a bike with wings and a clock face for a seat. "Perfect for commuting to another time," he chuckled, stealing a glance at his watch.

Rohan wandered through Tbilisi's ancient Metekhi Park when a sudden thunderclap echoed, startling the usual quiet. Among the calm murmurs of the Mtkvari River, a lone swan glided in tight, erratic circles, an aberration from its elegant norm.

“The stellar movement proved too insignificant for his telescope, but he instead discovered the aberration of light and the nutation of the Earth's axis.”