A sound-symbolic word with + -oinen, perhaps ultimately based on heikko; compare also hääppöinen, heiveröinen and hepene. heppä is also found in some dialects (chiefly northern Finland), but due to its sporadic distribution, it is probably a back-formation.
heppoinen (comparative heppoisempi, superlative heppoisin)
| Inflection of heppoinen (Kotus type 38/nainen, no gradation) | |||
|---|---|---|---|
| nominative | heppoinen | heppoiset | |
| genitive | heppoisen | heppoisten heppoisien | |
| partitive | heppoista | heppoisia | |
| illative | heppoiseen | heppoisiin | |
| singular | plural | ||
| nominative | heppoinen | heppoiset | |
| accusative | nom. | heppoinen | heppoiset |
| gen. | heppoisen | ||
| genitive | heppoisen | heppoisten heppoisien | |
| partitive | heppoista | heppoisia | |
| inessive | heppoisessa | heppoisissa | |
| elative | heppoisesta | heppoisista | |
| illative | heppoiseen | heppoisiin | |
| adessive | heppoisella | heppoisilla | |
| ablative | heppoiselta | heppoisilta | |
| allative | heppoiselle | heppoisille | |
| essive | heppoisena | heppoisina | |
| translative | heppoiseksi | heppoisiksi | |
| abessive | heppoisetta | heppoisitta | |
| instructive | — | heppoisin | |
| comitative | — | heppoisine | |