ultrasecret
adjective
ul·tra·se·cret
ˌəl-trə-ˈsē-krət 
: extremely or extraordinarily secret, private, or confidential
ultrasecret information
an ultrasecret military operation
Word History
First Known Use
1874, in the meaning defined above
Dictionary Entries Near ultrasecret
Cite this Entry
“Ultrasecret.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrasecret. Accessed 19 Apr. 2024.
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