final say
One last word?
Il faut toujours que tu aies le dernier mot.
You always have to have the last word.
And that's my last word.
Is that your final word?
This is my last word.
Il veut toujours avoir le dernier mot.
He always wants to have the last word.
Le dernier mot qu'il a entendu était 'tapette '.
The last word he heard was 'faggot'.
On n'a pas dit notre dernier mot.
We haven't said our last word yet.
— Avatar : La Voie de l'eau (2022)
Marie eût le dernier mot.
Mary had the last word.