Definition of best-beloved in English:

best-beloved

Pronunciation /ˌbɛs(t)bɪˈlʌv(ɪ)d/

adjective

  • That is loved best; most beloved.

noun

  • A most beloved person; specifically a lover, a sweetheart.

    Later sometimes as a form of address with allusion to Rudyard Kipling's Just So Stories.

Origin

Late Middle English. From best + beloved.