noun

a person’s regular male companion with whom they have a romantic or sexual relationship.

partner,lover,significant other,young man,man,escort,suitor,wooer,admirer,follower,beau,loved one,love,beloved,darling,dearest,sweetheart,live-in lover,cohabitee,common-law husband,fiancé,inamorato,jong,other half,better half,baby,bf,bae,lover boy,date,steady,fella,flame,sugar daddy,toy boy,intended,fancy man,squeeze,swain,gallant,paramour,leman