Helgoländer

== German == === Etymology === Helgoland +‎ -er === Pronunciation === IPA(key): [ˈhɛlɡoˌlɛndɐ] Hyphenation: Hel‧go‧län‧der === Noun === Helgoländer m (strong, genitive Helgoländers, plural Helgoländer, feminine Helgoländerin) a person from, or residing in, Heligoland ==== Declension ==== === Adjective === Helgoländer (indeclinable, no predicative form) (relational) of Heligoland ==== Usage notes ==== Words like this are considered indeclinable adjectives, as noted by Duden, DWDS and other modern German references, but are capitalized because they originated as genitive plurals of substantives. See -er for more.