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CaseSingularPlural
Nominativeименительный · кто? что?большой большие the subject: who or what acts
Accusativeвинительный · кого? что?большой (inanimate) / большого (animate) большие (inanimate) / больших (animate) the direct object of the verb
Genitiveродительный · кого? чего?большого больших possession, absence, "of"-phrases
Dativeдательный · кому? чему?большому большим the receiver: to or for someone
Instrumentalтворительный · кем? чем?большим большими the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?большом больших location and topics: in, at, about

Большой 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 большой 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.

12 forms is a table. Using them is a skill.

Slova drills большой and every word like it with typed case endings, checked letter by letter.

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