Of which the presence or existence is not known or recognized; of which no indication is visible or discernible; not outwardly evident. Obsolete.

Cloaked; having its real nature concealed. Predicatively.

Concealed or disguised by guile.

Having the real features or character obscured or disguised. Also (occasionally): hidden from view.

figurative. Concealed, hidden, secret; disguised.

Withdrawn or removed from notice; hidden. Obsolete.

Intentionally concealed; ulterior. Obsolete.

That has been palliated (in various senses of the verb); mitigated, extenuated; †concealed (obsolete).

Not suspected to exist, or to bear a certain character; not thought of.

In senses of the verb. Wrapped up, disguised.

figurative. Of immaterial things. Not openly declared, expressed, or stated; implied or inferred. Also: covert, disguised.

attributive or as postmodifier. Hidden, concealed; disguised. rare.

spec. Lying beyond what is openly stated, avowed, or evident; intentionally kept in the background or concealed.

figurative. Hidden away; sheltered.