adj. char·i·er, char·i·est
1. Very cautious; wary: was chary of the risks involved.
2. Not giving or expending freely; sparing: was chary of compliments.
[Middle English chari, careful, sorrowful, from Old English cearig, sorrowful, from cearu, sorrow; see care.]
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company.
it's one of my favorite words lately, I'm not chary of it.