affairs affairs /əˈfɛrz/

noun

1. () Matters of personal concern  ( personal business , personal matters , affairs )
   matters of personal concern
    Get his affairs in order
   get his affairs in order
   
2. () Transactions of professional or public interest  ( affairs )
   transactions of professional or public interest
    News of current affairs
   news of current affairs
    Great affairs of state
   great affairs of state
   

 affair affair /əˈfɛr/

noun

1. () A vaguely specified concern  ( affair , thing , matter )
   a vaguely specified concern
    Several matters to attend to
   several matters to attend to
    It is none of your affair
   it is none of your affair
    Things are going well
   things are going well
   
2. () A usually secretive or illicit sexual relationship  ( affaire , amour , intimacy , affair , involvement , liaison )
   a usually secretive or illicit sexual relationship
   
3. () A vaguely specified social event  ( function , social function , social occasion , affair , occasion )
   a vaguely specified social event
    The party was quite an affair
   the party was quite an affair
    An occasion arranged to honor the president
   an occasion arranged to honor the president
    A seemingly endless round of social functions
   a seemingly endless round of social functions