someone's word is law
phrase
—used to say that other people must do what someone says
He'll listen to suggestions, but in the end, his word is law.
Cite this Entry
“Someone's word is law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/someone%27s%20word%20is%20law. Accessed 10 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
