irgendeine
Irgendeine is a German determiner formed from the prefix irgen- together with the feminine indefinite article eine. It signals a non-specific reference to a feminine noun, roughly translating to some or any in English. The corresponding forms for other genders are irgendein (masculine and neuter) and irgendwelche for plural.
Irgendeine is used before feminine nouns in the nominative or accusative case. Examples: eine Idee becomes
Nuances and register: irndeine is common in everyday speech and writing. It is less formal than alternatives
Relations and variants: The masculine/neuter counterpart is irgendein, used with masculine or neuter nouns (z. B.