open sesame

open ses·​a·​me | \ ˌō-pən-ˈse-sə-mē How to pronounce open sesame (audio) \

Definition of open sesame

: something that unfailingly brings about a desired end

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Synonyms for open sesame


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Examples of open sesame in a Sentence

Perfect test scores are an open sesame to the best schools. it turned out that a simple “please” was the open sesame for charming the hotel manager into giving us a room with a better view
Recent Examples on the Web SeaWorld San Diego is opening Sesame Place, a 17-acre park featuring rides, attractions and all sorts of merriment that will annoy Oscar the Grouch to no end. Scott Craven, azcentral, 21 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'open sesame.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of open sesame

1814, in the meaning defined above

History and Etymology for open sesame

from open sesame, the magical command used by Ali Baba to open the door of the robbers' den in Ali Baba and the Forty Thieves

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Time Traveler for open sesame

Time Traveler

The first known use of open sesame was in 1814

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Cite this Entry

“Open sesame.” Dictionary, Merriam-Webster, Accessed 25 Jul. 2021.

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More Definitions for open sesame

open sesame


English Language Learners Definition of open sesame

: something that allows a person or thing to do or enter something successfully and easily


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