Nouns

(n)beloved, dear, dearest, honey, love, baby, darling, deary, dearie, sweetheart, sweetiea beloved person; used as terms of endearment
(n)lamb, deara sweet innocent mild-mannered person (especially a child)

Adjectives

(s)beloved, darling, deardearly loved
(s)dear, good, nearwith or in a close or intimate relationship“a good friend”, “my sisters and brothers are near and dear”
(s)dear, devout, earnest, heartfeltsincerely earnest“one's dearest wish”, “devout wishes for their success”, “heartfelt condolences”
(s)costly, dear, high-priced, pricey, pricyhaving a high price“costly jewelry”, “high-priced merchandise”, “much too dear for my pocketbook”, “a pricey restaurant”

Adverbs

(r)dearly, affectionately, dearwith affection“she loved him dearly”, “he treats her affectionately”
(r)dearly, dearat a great cost“he paid dearly for the food”, “this cost him dear”