äkillisiä

äkillisiä is the plural partitive form of the Finnish adjective äkillinen, meaning sudden or abrupt. It is used to describe plural nouns when the noun is in the partitive case or when the statement is indefinite in quantity. The base adjective äkillinen is used both attributively and predicatively, and it inflects to agree with the noun in number and case. In the nominative plural the form is äkilliset; in the partitive plural it becomes äkillisiä. For example: tässä tapauksessa paikat voivat muuttua äkillisiä muutoksia kaikkialla; tapahtui äkillisiä muutoksia yrityksen strategiassa; äkillisiä kuolemia voidaan kuvata uutisissa, kun kuolemat ovat odottamattomia.

Usage notes: Finnish adjectives that end in -inen follow the same agreement patterns as other adjectives. The partitive plural form äkillisiä is typically used with nouns in the partitive case, such as when the noun is part of a broader expression of amount, negation, or uncertainty (esim. äkillisiä tapauksia, äkillisiä muutoksia). The nuance conveyed by äkillinen is that the event or change occurs quickly and without much warning, rather than lasting for an extended period.

Etymology and relation: äkillinen is a native Finnish adjective meaning abrupt or sudden. The form äkillisiä is the standard inflection for plural partitive usage of this adjective; it is not a separate lexical item but a grammatical form.

See also: äkillinen, yllättävä.