1. Conducted with or marked by hidden aims or methods
   - clandestine, cloak-and-dagger, hole-and-corner, hugger-mugger, secret, surreptitious, undercover, underground

See also: covert

• Hyderabad
• trumpery
• trumpet
• trumpet arch
• trumpet creeper
• trumpet flower
• trumpet honeysuckle
• trumpet section
• trumpet tree
• trumpet vine
• trumpet weed
• trumpet-like
• trumpet-shaped
• trumpeter
• trumpeter swan
• trumpetfish
• trumpets
• trumpetwood
• trumping
• truncate
• truncated
• truncated cone
• truncated pyramid
• truncation
• truncation error