dear
US /dɪr/
UK /dɪr/

1.
2.
used in polite or formal address as a sign of respect or affection
:
•
Dear Mr. Smith, I am writing to inform you...
•
Oh dear, what a mess!
3.
expensive; costing a lot of money
:
•
The new car was very dear.
•
Housing in this city is quite dear.
1.
a beloved or cherished person
:
•
Come here, my dear.
•
Thank you, dear, for your help.
1.
used in exclamations of surprise, distress, or sympathy
:
•
Oh dear, I forgot my wallet!
•
Oh dear, are you alright?