the last/final word
noun
1
: the final thing said in an argument or a discussion
Your mother's decision is the final word on the matter.
Why do you always have to have the last word?
2
: the power to make a final decision
The judge will have the last word on the divorce agreement.
3
informal
: the most modern or best one of its kind
This is the last word in wireless phones.
The van's design is the last word in safety.
Cite this Entry
“The last/final word.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20last%2Ffinal%20word. Accessed 4 Aug. 2026.
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