Perplexing is a related term of undercover.
As adjectives the difference between perplexing and undercover
is that perplexing is confusing or puzzling while undercover is performed or happening in secret.
As a verb perplexing
is .
As a noun undercover is
a person who works.
undercover
English
Adjective
(
en adjective)
Performed or happening in secret.
Employed or engaged in spying or secret investigation.
Synonyms
* clandestine
* See also
Related terms
* cloak-and-dagger
Noun
(
en noun)
A person who works .