hauskaa
Hauskaa is the partitive singular form of the Finnish adjective hauska, meaning "fun," "amusing," or "enjoyable." It is used to describe experiences, activities, or things that are enjoyable, and it often appears in predicative constructions with the verb olla (to be) as well as in partitive contexts after verbs or negation. Examples include Se on hauskaa (It’s fun) and Meillä on ollut hauskaa (We have had fun).
Grammar and forms: Finnish adjectives decline for number and case. The basic form is hauska; related forms
Usage: Hauska is widely used in everyday language and in festive greetings. Standard expressions include Hauskaa