1) (of glances, threats etc) hidden; disguised (covert)
(of glances, threats etc) hidden; disguised
clandestine, underhanded
done secretly so as not to attract attention
sneaky, secretive
of hide
unseen, secret
disguised; with one's name
in disguise
that cannot be seen
unable to be seen; hidden
(that is to be) kept from the knowledge or view of others; of which others have no knowledge
hidden, unrevealed
not publicly acknowledged
in disguise