Russian Declension: идея (idea)
/ideya/
Full Declension Table of идея
идея is a feminine noun belonging to the 1st declension.
It is one of the most common words in Russian, essential for Advanced learners.
| Case | Singular | Plural |
|---|---|---|
| Nominative Case subject | идея | идеи |
| Accusative Case direct object | идею | идеи |
| Genitive Case possession / absence | идеи | идей |
| Dative Case to / for | идее | идеям |
| Instrumental Case with / by means of | идеей | идеями |
| Prepositional Case location / topic | идее | идеях |
| Locative Case specific location (в/на) | идее | идеях |
Learn more about each case: Accusative, Genitive, Dative, Instrumental, Prepositional. Russian case endings cheatsheet.
MCQ Exercises
Free exercise: test your mastery of the declension of идея with this interactive multiple-choice quiz. A practical, no-signup drill to review all 6 Russian cases.
Usage notes
The Russian word for idea, идея, follows the standard declension pattern for feminine nouns. Use the nominative for the subject, accusative for the direct object, genitive for possession or absence, dative for indirect objects (to/for), instrumental with/by, and prepositional after в, на, о. See our guides on Russian case endings and Russian grammar for more.
How to use "идея" in Russian (Examples)
Я рад этой идее.
I am happy with this idea.
Мы думаем об идее.
We are thinking about the idea.
FAQ about идея Declension
- How to translate idea in Russian?
- The Russian word for "idea" is идея (ideya).
- What is the meaning of идея?
- идея means "idea" in English. It is a feminine noun in Russian.
- What is the nominative of идея?
- The nominative singular of идея is идея. The nominative plural is идеи.
- What is the accusative of идея?
- The accusative singular of идея is идею. The accusative plural is идеи.
- What is the genitive of идея?
- The genitive singular of идея is идеи. The genitive plural is идей.
- What is the dative of идея?
- The dative singular of идея is идее. The dative plural is идеям.
- What is the instrumental of идея?
- The instrumental singular of идея is идеей. The instrumental plural is идеями.
- What is the prepositional of идея?
- The prepositional singular of идея is идее. The prepositional plural is идеях.
- What is the locative of идея?
- The locative singular of идея is идее. The locative plural is идеях.
- Is идея masculine or feminine?
- идея is a feminine noun in Russian.