surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

surreptiˈtiously adverb

• bar mitsvahs
• bar mitzvah
• bar mitzvahs
• barmkin
• barmkins
• barmpot
• barmpots
• barms
• barmy
• barmy-brained
• barn
• Barnabite
• Barnaby
• Barnaby Bright
• Barnaby Day
• barnacle
• barnacled
• barnacle-goose
• barnacles
• barn dance
• barn dances
• barn door
• barn doors
• barned
• barnet