What is the meaning of Dear?

High in price; expensive.

Loved; lovable.

Lovely; kind.

Loving, affectionate, heartfelt

Precious to or greatly valued by someone.

A formal way to start (possibly after my) addressing somebody at the beginning of a letter, memo etc.

A formal way to start (often after my) addressing somebody one likes or regards kindly.

An ironic way to start (often after my) addressing an inferior or someone one dislikes.

Noble.

A very kind, loving person.

A beloved person.

An affectionate, familiar term of address, such as used between husband and wife.

An elderly person, especially a woman.

To endear.

Dearly; at a high price.

Indicating surprise, pity, or disapproval.

Severe, or severely affected; sore.

Fierce.

to draw (design)

Alternative form of dēor

dear

Source: wiktionary.org