someone's word is law

idiom

—used to say that other people must do what someone says
He'll listen to suggestions, but in the end, his word is law.

Dictionary Entries Near someone's word is law

someone's word is his/her bond

someone's word is law

someone's world revolves around (someone or something)

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“Someone's word is law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/someone%27s%20word%20is%20law. Accessed 2 Dec. 2022.

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