The archaeologists conducted a covert survey of the site to avoid alerting rival researchers to their find.
考古学家对该遗址进行了隐蔽的勘察，以避免引起竞争对手研究者的注意。
Which choice best defines “covert”?
D — Secret; concealed.. “covert” means Secret; concealed..
Which word means “Secret; concealed.”?
D — covert. “covert” means Secret; concealed..
covert — Secret; concealed.. In Chinese: 隐蔽的；秘密的.
covert is pronounced //ˈkʌvət//.
The archaeologists conducted a covert survey of the site to avoid alerting rival researchers to their find. (考古学家对该遗址进行了隐蔽的勘察，以避免引起竞争对手研究者的注意。)
secret, hidden, concealed — all close in meaning to covert (Secret; concealed.).
overt, open — each the opposite of covert (Secret; concealed.).
Yes. covert is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
cover(遮盖) → 藏起来的。