clandestine
adjective
[ klanˈdɛstɪn ]
• kept secret or done secretively, especially because illicit.
• "she deserved better than these clandestine meetings"
Similar:
secret,
covert,
furtive,
surreptitious,
stealthy,
cloak-and-dagger,
hole-and-corner,
hole-in-the-corner,
closet,
behind-the-scenes,
backstairs,
back-alley,
under-the-table,
hugger-mugger,
concealed,
hidden,
private,
sly,
sneaky,
underhand,
undercover,
underground,
black,
hush-hush,
Origin:
mid 16th century: from French clandestin or Latin clandestinus, from clam ‘secretly’.
