hardernekkig
Hardernekkig is not widely recognized as a standalone entry in standard Dutch or Norwegian dictionaries. It appears to be a misspelling, dialect form, or variation of the adjective hardnekkig, which exists in Dutch and Norwegian and carries the meanings “stubborn” or “persistent.”
Definition and usage: Hardnekkig describes a person who resists change or persuasion, or a task that endures
Etymology and related terms: The standard form, hardnekkig, is generally analyzed as a compound built from hard
Notes: Because hardernekkig is not widely attested, some readers may intend hardnekkig. If you encounter this