Úfriðliga

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

úfriðliga

adv. in an unpeaceful manner (láta ~).

Possible runic inscription in Younger Futhark:ᚢᚠᚱᛁᚦᛚᛁᚴᛅ

Also available in related dictionaries:

This headword also appears in dictionaries of other languages closely related to Old Icelandic.

• Old Norwegian - Johan Fritzner's Dictionary