1. hush-hush - Noun
2. hush-hush - Adjective
3. hush-hush - Adjective Satellite
conducted with or marked by hidden aims or methods
Source: WordNetMy wedding won't be a hush-hush affair. When I get married, everyone will get to know about it... there'll be nothing speculative about my wedding. Bipasha Basu
clandestine intelligence operations Source: Internet
cloak-and-dagger activities behind enemy lines Source: Internet
hole-and-corner intrigue Source: Internet
secret missions Source: Internet
a secret agent Source: Internet