Ufrivillig
ʉːtɪlsɪktət ɛllər ʉfriːvɪllɪ ʉːnɪntɛnʃuːnal uːr ɪnvuːlʉntaryː
In Norwegian Utilsiktet eller ufrivillig (unintentional or involuntary)
Something that happens unintentionally or without one's control.
Example
"Det var en ufrivillig fejl."