C2 noun /ˌnɒn ˈsɛkwɪtər/
non sequitur
нелепое замечание
Meaning
a statement or conclusion that does not logically follow from the previous statement
Example
His comment about the weather was a complete non sequitur during the budget discussion.
Его комментарий о погоде был полным нелепым замечанием во время обсуждения бюджета.