surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

surreptiˈtiously adverb

• trollius
• trolliuses
• troll-my-dame
• troll-my-dames
• trollop
• Trollopean
• trolloped
• trollopee
• trollopees
• Trollopian
• trolloping
• trollopish
• trollops
• trollopy
• trolls
• trolly
• tromba marina
• tromba marinas
• trombiculid
• Trombiculidae
• trombiculids
• trombone
• trombones
• trombonist
• trombonists