(adj): vs. visible), unseeable -- (impossible or nearly impossible to see; imperceptible by the eye
(adj): vs. unconcealed) -- (hidden on any grounds for any motive
(adj): lying in ambush
(adj): secret
(adj): prenominal), sneaky, stealthy, surreptitious -- (marked by quiet and caution and secrecy; taking pains to avoid being observed
(adj): difficult to find
(adj): designed to elude detection
(adj): predicate) -- (with your identity concealed
(adj): waiting in concealment; in ambush
(adj): undisclosed for the time being
(adj): not open or public; kept private or not revealed
(adj): prenominal), unavowed -- (not openly expressed
conceal
(v): prevent from being seen or discovered
(v): hold back; keep from being perceived by others
