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CaseSingularPlural
Nominativeименительный · кто? что?здоровый здоровые the subject: who or what acts
Accusativeвинительный · кого? что?здоровый (inanimate) / здорового (animate) здоровые (inanimate) / здоровых (animate) the direct object of the verb
Genitiveродительный · кого? чего?здорового здоровых possession, absence, "of"-phrases
Dativeдательный · кому? чему?здоровому здоровым the receiver: to or for someone
Instrumentalтворительный · кем? чем?здоровым здоровыми the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?здоровом здоровых location and topics: in, at, about

Здоровый 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 здоровый 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 здоровый and every word like it with typed case endings, checked letter by letter.

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