your/the last/final word
the last word
1. The final words in an argument or discussion, especially one that decisively or conclusively ends it. Everyone started shouting, trying to get in the last word, and the whole meeting just descended into chaos.
2. The most recent, modern, or advanced version of something. Typically followed by "in (something)." It may not look like much, but I can assure you that this machine is the last word in neural imaging.
*last wordand *final word; *final say
Fig. the final point (in an argument); the final decision (in some matter). (*Typically: get ~; have ~; give some one ~.) The boss gets the last word in hiring. Why do you always have to have the final word in an argument?
the last wordor
the final word
COMMON If someone has the last word or the final word in a discussion or argument, they are the one who wins it or who makes the final decision. She does like to have the last word in any discussion. The final word will come from the Secretary of State.