dear

adjective
  1. Regarded with deep affection; cherished by someone. adjective
    She is a dear friend of mine.
    He holds his family dear.
  2. Expensive or costly. adjective
    The hotel was too dear for us to stay in.
    The cost of living has become quite dear in the city.
  3. Used as a polite or affectionate form of address. adjective
    Dear Sir or Madam, please find attached the requested documents.
    Thank you, my dear, for all your help.
  4. A loved one or someone regarded with affection. noun
    She wrote a letter to her dear.
    He was a dear to everyone who knew him.
  5. Used to express distress, regret, or sympathy. interjection
    Oh dear, I forgot to send the email.
    Dear me, what a mess we've made.