noun
1.
a man who is a woman's regular partner in nonmarital sexual activity
Synonyms: boyfriend, fancy man, man, master, paramour
Related Word: cavalier servente, sugar daddy
2.
Synonyms: boyfriend 2, beau, beloved, flame, inamorato, steady, sweetheart, truelove
3.
Synonyms: addict , aficionado, buff, devotee, fan, habitué, hound, votary