late 14c., "delightfulness; fastidiousness; quality of being addicted to sensuous pleasure," from delicate + -cy. Meaning "fineness, softness, tender loveliness" is from 1580s; that of "weakness of constitution" is from 1630s. Meaning "fine food, a dainty viand" is from early 15c.
1. He's shown considerable delicacy and tact in feeling the public mood.
2. It's a situation that calls for a blend of delicacy and force.
3. Both countries are behaving with rare delicacy.
4. Smoked salmon was considered an expensive delicacy.