Think soldiers in masks secretly infiltrating an enemy stronghold, a covert operation is one that no one but the president and a few generals know is happening.
•    Pronunciation: / 'kovɝt/
•    English description: secret or hidden; not openly practiced or engaged in or shown or avowed
•    Synonyms: implicit
•    Chinese Translation: 隐密的(yin3 mi4 de)
•    Spanish Translation: encubierto
•    ORIGIN: Covert is the opposite of overt, which means obvious, something in full view. "The teachers weren't impressed by the students' overt attempt to derail the discussion. 'You aren't even pretending to try to like Shakespeare,' she complained."
•    But it said "a number of overt and covert tactics to arrest him" would still be deployed.
•    They contained code words, war strategy, the names of covert officers and other sensitive information.
*New word description, story and part of "EXAMPLE SENTENCE" are cited in Vocabulary