upper
//ˈʌpər//
Adjective
1
Located above another part or in a higher position
The book is on the upper shelf.
2
Higher in rank, status, or authority
She was promoted to an upper management position.
3
Relating to or situated in the northern part of a region or country
She grew up in upper Michigan near the Canadian border.
Noun
1
The part of a shoe or boot above the sole
The leather upper of my boots is starting to crack.
2
A stimulant drug, especially an amphetamine
He was arrested for possession of uppers.