behind someone's back

idiom

: without someone's knowledge : in secret
You shouldn't gossip about people behind their back(s).
She went behind his back and spoke directly to his supervisor.

Dictionary Entries Near behind someone's back

Cite this Entry

“Behind someone's back.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/behind%20someone%27s%20back. Accessed 2 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!