dear 1 
(dîr)
(dîr)adj. dear·er, dear·est
1.
a. Loved and cherished: my dearest friend.
b. Greatly valued; precious: lost everything dear to them.
2. Highly esteemed or regarded. Used in direct address, especially in salutations: Dear Lee Dawson.
3.
a. High-priced; expensive.
b. Charging high prices.
4. Earnest; ardent: "This good man was a dear lover and constant practicer of angling" (Izaak Walton).
5. Obsolete Noble; worthy.
6. Heartfelt: It is my dearest wish.
n.
1. A person who is greatly loved. Often used as a form of address.
2. An endearing, lovable, or kind person: What a dear she is!
adv.
1. With fondness; affectionately.
2. At a high cost: sold their wares dear.
interj.
Used as a polite exclamation, chiefly of surprise or distress: oh dear; dear me.
[Middle English dere, from Old English dēore.]
dearly adv.
dearness n.