unintentional

unintentional /ˌʌnɪnˈtɛnʃənl̟/ adjective
unintentional
/ˌʌnɪnˈtɛnʃənl̟/
adjective
Britannica Dictionary definition of UNINTENTIONAL
: not done in a way that is planned or intended : not intentional

— unintentionally

adverb