one more time (adverb) again: another time; repeated
Sinonime: concealed,
covert,
deceptive, disguised,
ethereal, gaseous,
ghostly,
ideal, impalpable, imperceptible, imponderable, inappreciable,
inconspicuous, indiscernible,
infinitesimal, insensible,
intangible, masked, microscopic, not in sight, obliterated, obscured,
occult, out of sight, perdu, screened,
supernatural,
ulterior, unapparent, undisclosed, ungraspable, unnoticeable, unobservable, unperceivable,
unreal, unseeable,
unseen, unviewable, vaporous, veiled, wraithlike
Antonime: detectable,
obvious, seen,
visible