1. Qualities, features, or attributes that do not follow a regular pattern, standard, or expected norm
The irregular traits of the rock formation made it difficult to classify geologically.
As características irregulares da formação rochosa tornaram difícil classificá-la geologicamente.
2. Behavioral or physical characteristics that deviate from the norm or expected standard
The plant exhibited irregular traits that suggested a genetic mutation.
A planta exibiu características irregulares que sugeriram uma mutação genética.