Epäsäännönmukaisuus
Epäsäännönmukaisuus refers to a lack of regularity or deviation from an established norm, pattern, or rule. It can be applied in various contexts, including language, behavior, and natural phenomena. In linguistics, epäsäännönmukaisuus describes words or grammatical structures that do not follow typical patterns. For example, irregular verbs in Finnish, such as "tulla" (to come) with its conjugation "tulen" (I come) and "tuli" (he/she/it came), exemplify this concept. These forms must be memorized rather than derived from a general rule.
In a broader sense, epäsäännönmukaisuus can describe behavior that deviates from expected social norms or individual