goal ‧ post /ˈɡəʊlpəʊst $ ˈɡoʊlpoʊst/ BrE AmE noun [countable usually plural]
1 . one of the two posts, with a bar along the top or across the middle, that form the ↑ goal in games such as football and ↑ hockey SYN post
2 . move/shift the goalposts British English informal to change the rules, limits etc for something while someone is trying to do something, making it more difficult for them – used to show disapproval