Definition of dear :
1. A dear one; lover; sweetheart.
2. Bearing a high price; high- priced; costly; expensive.
3. Dearly; at a high price.
4. Hence, close to the heart; heartfelt; present in mind; engaging the attention.
5. Highly valued; greatly beloved; cherished; precious.
6. Marked by scarcity or dearth, and exorbitance of price; as, a dear year.
7. Of disagreeable things and antipathies.
8. To endear.
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darling (part of speech: noun)
expensive (part of speech: adjective)