stealthiest
Least easily detected
Stealthiest is the superlative form of stealthy—the most secretive, furtive, or undetectable among a group.
What moves with stealth avoids notice: the stealthiest predators hunt at night, She was the stealthiest player on the team, slipping past defenders unnoticed.
Cannot be seen
- undetectableImpossible to notice
- unseenNot perceived visually
- hiddenKept out of sight
- camouflagedVisually hidden by coloring
concealed · imperceptible · unnoticed · unobtrusive · ghostlike · traceless · untraceable · vanishing
Covert intelligence gathering
- spyCovert information gatherer
- undercoverSecretly engaged in espionage
- clandestineConcealed from authorities
- infiltrationCovert entry into organization
intelligence · secretive · surveillance · reconnaissance · sabotage · subterfuge · cloak-and-dagger · counterintelligence
Producing no sound
- soundlessProducing no audible noise
- inaudibleCannot be heard
- quietLacking in sound
- hushedReduced to silence
muffled · tiptoe · padded · catlike · light-footed · creeping · prowling · slinking
Cleverly deceptive
- craftyCleverly deceptive
- wilySkilled at deception
- deviousUnderhanded and calculating
- foxySly or seductive
artful · guileful · scheming · calculating · underhanded · conniving · duplicitous · insidious
invisible
Cannot be seen
- undetectableImpossible to notice
- unseenNot perceived visually
- hiddenKept out of sight
camouflaged · concealed · imperceptible · unnoticed · unobtrusive · ghostlike · traceless · untraceable · vanishing · elusive
espionage
Covert intelligence gathering
- spyCovert information gatherer
- undercoverSecretly engaged in espionage
- clandestineConcealed from authorities
infiltration · intelligence · secretive · surveillance · reconnaissance · sabotage · subterfuge · cloak-and-dagger · counterintelligence · operative
noiseless
Producing no sound
hushed · muffled · tiptoe · padded · catlike · light-footed · creeping · prowling · slinking · gliding
sly
Cleverly deceptive
foxy · artful · guileful · scheming · calculating · underhanded · conniving · duplicitous · insidious · subtle