upper

1 of 3

adjective

up·​per ˈə-pər 

1

a

: higher in physical position, rank, or order

the upper lip

upper management

b

: farther inland

the upper Mississippi

2

: constituting the branch of a bicameral legislature that is usually smaller and more restricted in membership and possesses greater traditional prestige than the lower house

3

a

: constituting a stratum relatively near the earth's surface

b

Upper : being a later epoch or series of the period or system named

Upper Cretaceous

Upper Paleolithic

4

: northern

upper Manhattan

upper

2 of 3

noun (1)

: one that is upper: such as

a

: the parts of a shoe or boot above the sole

b

: an upper tooth or denture

c

: an upper berth

see also:

on one's uppers

upper

3 of 3

noun (2)

1

: a stimulant drug

especially : amphetamine

2

: something that induces a state of good feeling or exhilaration

Examples of upper in a Sentence

Adjective

upper and lower front teeth

the wing's upper and lower surfaces

the ship's upper and lower decks

Who will sleep on the upper berth?

The upper stories are occupied by offices.

the upper layer of the Earth's crust

temperatures in the mid to upper 20s

Write your name on the upper left-hand corner of the page.

relief of upper back pain

the mountain's upper and lower slopes

Recent Examples on the Web

Adjective

Workers inside the CalEPA headquarters reported smelling natural gas on some of the building’s upper floors. — Corey Schmidt, Sacbee.com, 15 July 2026

The Senate, the upper house where conservatives hold a majority, rejected the bill. — ABC News, 15 July 2026

Noun

Today, Megaride has been relaunched for lifestyle with several new models, including ones using the uppers of retro soccer boots. — Ian Servantes, Footwear News, 15 July 2026

The brand’s LiteRide footbed is bouncy and soft but still supportive, and the MatLite upper doesn’t require breaking in, which means no blisters from a post-dinner walk. — Shea Simmons, PEOPLE, 15 July 2026

Word History

Etymology

Adjective

Middle English, comparative of up entry 2

Noun (2)

up + -er entry 2

First Known Use

Adjective

14th century, in the meaning defined at sense 1a

Noun (1)

1789, in the meaning defined above

Noun (2)

circa 1968, in the meaning defined at sense 1

Phrases Containing upper

• fixer-upper
• stand-upper
• stiff upper lip
• the upper crust
• the upper hand
• upper case
• upper class
• upper crust
• upper hand
• upper respiratory
• upper respiratory tract
• upper school

Rhymes for upper

• supper

Kids Definition

upper

1 of 3 adjective

up·​per ˈəp-ər 

1

: higher in physical position, rank, or order

the upper lip

upper management

2

: being the smaller and more restricted branch of a two-house legislature

3

capitalized : of, relating to, or being a later geologic period or formation

the Upper Cretaceous period

4

: being toward the interior : further inland

the upper Amazon

5

: northern

upper New York state

upper

2 of 3 noun

1

: the parts of a shoe or boot above the sole

2

: an upper tooth or set of teeth

3

: an upper berth

upper

3 of 3 noun

: a stimulant drug

especially : amphetamine

Medical Definition

upper

1 of 2 noun

up·​per ˈəp-ər 

: an upper tooth or denture

upper

2 of 2 noun

: a stimulant drug

especially : amphetamine