Bad Iburger

== German == === Etymology === Bad Iburg +‎ -er === Pronunciation === === Adjective === Bad Iburger (indeclinable, no predicative form) (relational) of Bad Iburg ==== 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.