простой (prostoy) - simple
Every form of the Russian adjective простой: 6 cases, singular and plural, stress marked.
| Case | Singular | Plural | |
|---|---|---|---|
| Nominativeименительный · кто? что? | простой | простые | the subject: who or what acts |
| Accusativeвинительный · кого? что? | простой (inanimate) / простого (animate) | простые (inanimate) / простых (animate) | the direct object of the verb |
| Genitiveродительный · кого? чего? | простого | простых | possession, absence, "of"-phrases |
| Dativeдательный · кому? чему? | простому | простым | the receiver: to or for someone |
| Instrumentalтворительный · кем? чем? | простым | простыми | the tool or companion: with, by |
| Prepositionalпредложный · о ком? о чём? | простом | простых | location and topics: in, at, about |
Простой is an adjective: it copies the gender, number, and case of its noun. The table shows masculine and plural; feminine and neuter follow the same stem with their own endings.
Look up any other word in the Russian declension tool, see where простой ranks in the most common Russian words, or start from Russian cases explained if the table above is new territory. More vocabulary lives in Russian words by topic and Russian phrases.
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Slova drills простой and every word like it with typed case endings, checked letter by letter.