Từ đồng nghĩa của undetectable

faint imperceptible inaudible invisible odourless odorless subtle unnoticeable indetectable indiscernible infinitesimal minute obscure tiny untraceable impalpable indistinguishable slight inappreciable fine small microscopic indistinct insensible vague gradual shadowy ephemeral insignificant trivial inconsiderable inconspicuous imponderable momentary evanescent unapparent intangible inconsequential negligible minuscule nanoscopic unobservable unobtrusive imperceivable unperceivable impossible to detect indefinite undistinguishable barely perceptible barely visible hard to make out hidden teeny-weeny unclear teensy-weensy undiscernible light unfathomable minor unimportant trifling petty immaterial paltry exiguous piffling piddling not worth bothering about of no account not worth mentioning illusive tenuous sheer implied elusive inferred attenuate ethereal thin attenuated teeny wee atomic itsy-bitsy itty-bitty weensy microscopical teensy miniature eensy-weensy bitsy microminiature bitty weeny extremely small titchy little-bitty very small tiddly diminutive little bitty little invisible to the naked eye

masked camouflaged concealed covered covered up hidden imperceptible invisible screened veiled disguised cabalistic covert cryptic incognito larvate latent unobserved obscured unnoticed shrouded unnoticeable inconspicuous unseen undetected unrevealed unobtrusive obscure impalpable imaginary not visible out of sight not in sight unperceived lurking imagined impenetrable occult curtained dark unsuspected undiscovered indiscernible unseeable indistinguishable imperceivable cloaked indistinct clouded surreptitious unexposed discreet unapparent nonexistent undercover shadowy unperceivable inappreciable secret eclipsed intangible gaseous undisclosed unobservable ghostly insensible perdu unviewable imponderable ethereal vaporous not in view in the dark under wraps out of view impossible to detect masquerading buried unrecognizable unrecognisable incog enshrouded tucked away hidden away under cover undivulged withheld not obvious sheltered snug underground tect unrecognized not on view unidentified unknown implied pretend assumed false isolated unrecognised bearded sly sham fake forged mock imitation artificial secreted suppressed back-alley pseudo furtive counterfeit feigned underhand sneaky phoney indirect privy on the QT private changed phony in disguise underlying ill-defined hinted at stashed cached ulterior recondite hush-hush planted guarded vague unclear hushed up holed up oblique shielded hooded roundabout sailing under false colours put in the hole

unfindable undiscoverable unlocatable disappeared gone hidden invisible irrecoverable irretrievable lost misplaced missing obscured vanished absent

undetectably undetected undetermined undeterred undeterred by undeterredly undetailed undestructively undestructive undestructable undestroyed undestroyable