Sealed
Part of speech: verb
Definition: To hunt seals.
Part of speech: adjective
Definition: Closed by a seal. Preventing entrance. Not subclassable; from which one cannot inherit.
Example sentence: But first, the news: The House of Commons was sealed off today after police chased an escaped lunatic through the front door during Prime Minister's question time. A spokesman at Scotland Yard said it was like looking for a needle in a haystack.
Concealed
Part of speech: verb
Definition: To hide something from view or from public knowledge, to try to keep something secret.
Example sentence: Noble deeds that are concealed are most esteemed.