Definition of dears:
(adj) :
Loved; lovable.
(adj) :
Precious to or greatly valued by someone.
(n) :
An affectionate, familiar term of address, such as used between husband and wife.
(adj) :
Lovely; kind.
(adj) :
Loving, affectionate, heartfelt
(adj) :
A formal way to start (possibly after my) addressing somebody at the beginning of a letter, memo etc.