Woman

• girl

  Or young woman with whom a man is romantically involved; "his girlfriend kicked him out".

• inamorata

  A woman with whom you are in love or have an intimate relationship.

Man

• boyfriend

  A man who is the lover of a girl or young woman; "if I'd known he was her boyfriend I...

• inamorato

  A man with whom you are in love or have an intimate relationship.

Also contains

• pet

  A special loved one.

• sweetheart

  A person loved by another person.

• admirer

  Someone who admires a young woman; "she had many admirers".

• betrothed

  The person to whom you are engaged.

• Romeo

  An ardent male lover.

• squeeze

  (slang) a person's girlfriend or boyfriend; "she was his main squeeze".

• necker

  A lover who necks.

• kisser

  Someone who kisses.

• soul mate

  Someone for whom you have a deep affinity.

• love

  A beloved person; used as terms of endearment.

• idolizer

  A lover blind with admiration and devotion.

• fondler

  A lover who gently fondles and caresses the loved one; "they are heavy petters".