Pentagonese

[ pen-tuh-guh-neez, -nees ]
/ ˌpɛn tə gəˈniz, -ˈnis /

noun

a style of language characterized by the use of euphemisms, technical jargon, acronyms, and circumlocutions, used especially by people working in the U.S. military establishment.

Origin of Pentagonese

1950–55, Americanism; Pentagon + -ese