tonight tonight /tuːˈnaɪt/

adverb

1. () During the night of the present day  ( this night , this evening , tonight )
   during the night of the present day
    Drop by tonight
   drop by tonight
   

noun

1. () The present or immediately coming night  ( tonight )
   the present or immediately coming night
     Let's go out for dinner tonight.
   Let's go out for dinner tonight.