seclusive
nounEtymology Pseudo-Latinism, derived from *sēclūsīvus, a combination of sēclūdō (“to seclude”) + -īvus (“-ive”), whence the native Latin sēclūsus. Equivalent to seclude + -ive.
1
Nonstandard, Rare A person who stays in seclusion; a recluse.