unnoticed

adjectives

not noticed
"hoped his departure had passed unnoticed"
unnoticed
antonym
noticed
is similar to
not noticed inadvertently
"her aching muscles forgotten she danced all night"; "he was scolded for his forgotten chores"
disregarded, forgotten
is similar to
disregarded
"his cries were unheeded"; "Shaw's neglected one-act comedy, `A Village Wooing'"; "her ignored advice"
ignored, neglected, unheeded
is similar to
not taken into account
"his retirement was not allowed to go unmarked"
overlooked, unmarked, unnoted
is similar to
not observed
"managed to slip away unobserved"
unobserved
is similar to
not perceived or commented on
unperceived, unremarked