n.
Function: adverb
Date: before 12th century
1 : for or during a long time < long a popular hangout>
2 : at or to a long distance : FAR < long -traveled>
3 : for the duration of a specified period <month -long > <all summer long >
4 : at a point of time far before or after a specified moment or event <was excited long before the big day>
5 : after or beyond a specified or implied time <didn't stay long er than midnight> <said it was no long er possible>
6 : for a considerable distance <threw the ball long >
7 : in or into a long position (as on a market)
– so long : GOOD-BYE