: made, shown, or done in a way that is not easily seen or noticed : secret or hidden
a covert glance/look
He has taken part in a number of covert military operations.
spy agencies taking covert action
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“Covert.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/covert. Accessed 8 Apr. 2026.
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