C2 noun /ˌnɒn ˈsɛkwɪtər/
non sequitur
commentaire hors sujet
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.
Son commentaire sur la météo était un véritable commentaire hors sujet pendant la discussion sur le budget.