hassa- + -u (same root as hassallaan), probably also influenced by hauska.
hassu (comparative hassumpi, superlative hassuin)
hassu is mainly a positive word. If someone is silly in a negative way, the Finnish equivalent is typerä.
| Inflection of hassu (Kotus type 1/valo, no gradation) | |||
|---|---|---|---|
| nominative | hassu | hassut | |
| genitive | hassun | hassujen | |
| partitive | hassua | hassuja | |
| illative | hassuun | hassuihin | |
| singular | plural | ||
| nominative | hassu | hassut | |
| accusative | nom. | hassu | hassut |
| gen. | hassun | ||
| genitive | hassun | hassujen | |
| partitive | hassua | hassuja | |
| inessive | hassussa | hassuissa | |
| elative | hassusta | hassuista | |
| illative | hassuun | hassuihin | |
| adessive | hassulla | hassuilla | |
| ablative | hassulta | hassuilta | |
| allative | hassulle | hassuille | |
| essive | hassuna | hassuina | |
| translative | hassuksi | hassuiksi | |
| abessive | hassutta | hassuitta | |
| instructive | — | hassuin | |
| comitative | — | hassuine | |