Asymmetrical means deliberately uneven between the two sides. An asymmetrical hem, asymmetrical design, asymmetrical warfare.
In design the unevenness is the point, since an asymmetrical layout draws the eye where a balanced one rests it. Real faces are all slightly asymmetrical, and perfectly mirrored ones look unsettling.
1adjectiveasymmetricalDeliberately uneven between the two sides.
“The dress has an asymmetrical hem, longer on the left than on the right.”
asymmetrical is a quality.
A-, meaning without, plus symmetrical, from Greek symmetria, a common measure.
From a + symmetrical.
Etymology from Wiktionary, CC BY-SA