1. higher in position, place, or rank
2. situated above another part

1. the part of a shoe or boot above the sole
2. a stimulant drug
Usage: slang

Examples

• The book is on the upper shelf.
• She lives in the upper floor of the building.
• The upper management made the final decision.
• He injured his upper arm during the game.
• The leather upper of his shoe was cracked.
• The upper classes lived in luxury.
• Birds fly in the upper atmosphere.