surreptitious /sur-əp-tishˈəs/

1. Done by stealth or fraud
2. Stealthy

surreptiˈtiously adverb

• phonometers
• phonon
• phonons
• phonophobia
• phonophobias
• phonophore
• phonophores
• phonopore
• phonopores
• phonotactics
• phonotype
• phonotyped
• phonotypes
• phonotypic
• phonotypical
• phonotypies
• phonotyping
• phonotypist
• phonotypists
• phonotypy
• phons
• phony
• phonying
• phooey
• -phor