cagey
Concise Oxford English Dictionary © 2008 Oxford University Press:
cagey /ˈkeɪʤi/ (also cagy)
▶adjective (cagier, cagiest) informal uncommunicative owing to caution or suspicion.
– derivatives
cagily adverb,
caginess (also cageyness) noun.
cagily adverb,
caginess (also cageyness) noun.
– origin early 20th cent. (orig. US): of unknown origin.
'cagey' also found in these Oxford entries:

