дорогой

1) General subject: big ticket, costly, darling, dear, dear thing, deary, expensive, high, high priced, hight-priced, love, luxurious, my own one (в обращении), precious, sweet, sweetheart (в обращении), sweetie (особ. о женщине), sweeting (в обращении), valuable, high-interest (loan, etc.), up-market, extravagant, hun

2) Colloquial: cookie, honey (часто Honey), pricey

3) American: big-ticket, costive

4) French: cheri

5) Obsolete: lief

6) Bookish: dispendious

7) Religion: Care (Cams, Cara, "dear one", сокр. K.), Dulcis ("dear one", сокр. D.)

8) Economy: high-priced, high-priced (о товаре, услуге)

9) Australian slang: buggalugs, buggerlugs, duck

10) Diplomatic term: sacred

11) Irish: machree

12) Gentle: sweet heart

13) Jargon: pricey (о цене), smart cookie, briney (You look lovely tonight, me old briney.), spendy, cookey

14) Advertising: high-end

15) American English: sugar-baby (a term of endearment), sugar-babe, sugar-pie

16) Makarov: executive, rich, sweet (обращение)