Definition: difficult to find
Usage: hidden valleys; a hidden cave; an obscure retreat
Similar words: concealed
Definition: hidden on any grounds for any motive
Usage: a concealed weapon; a concealed compartment in his briefcase
Definition: designed to elude detection
Usage: a hidden room or place of concealment such as a priest hole; a secret passage; the secret compartment in the desk
Similar words: concealed
Definition: hidden on any grounds for any motive
Usage: a concealed weapon; a concealed compartment in his briefcase
Synonyms: hidden, concealed, out of sight
Definition: not accessible to view
Usage: concealed (or hidden) damage; in stormy weather the stars are out of sight
Similar words: unseeable, invisible
Definition: impossible or nearly impossible to see; imperceptible by the eye
Usage: the invisible man; invisible rays; an invisible hinge; invisible mending