salajased
Salajased is the plural nominative form of the Estonian adjective salajane, meaning secret, confidential, or clandestine. It is used to describe nouns in the plural that are not public or whose activities are intended to be kept hidden. Common phrases include salajased andmed (secret data), salajased kohtumised (secret meetings), and salajased operatsioonid (covert operations). In broad usage, the word can also refer to individuals or groups that act in secrecy.
Grammatical notes and usage context: as an adjective, salajased agrees with the noun it modifies in number
Etymology and scope: the form salajased is derived from the Estonian root salajane, with the plural nominative