(a person who is) greatly loved

adored

a person who is loved very much

sweetheart, favorite person

approved of, liked, more than any other; a person or thing preferred above all others

preferred

close and familiar; to have sexual intercourse; most private and personal; a close friend

friendly, devoted

a person who is having a (sexual) relationship with another person

person having sexual relationship

favourite; an animal kept as a companion, e.g. a cat or a dog

favorite

of great value; very few/little

favorite, valued

(a letter, card etc sent on St Valentine's day, 14 February to) a sweetheart

person who is loved by another

woo

person having sexual relationship