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

Often packed together, these nesting cells can be found on windowsills, on bases of slider doors and on upper window ledges. —Pamm Cooper, Hartford Courant, 9 May 2026

Meanwhile, the rest of the NBA is widely expected to be more competitive next season — from the bottom tier, where anti-tanking regulations and a weaker draft class should curb teams’ intentional losing, to the upper echelons, where Oklahoma City and San Antonio stand tall. —Bennett Durando, Denver Post, 8 May 2026

Noun

The Air Jordan 11 Retro Space Jam, with its black patent leather and ballistic mesh upper, will be released for the first time since ’16. —Riley Jones, Footwear News, 9 May 2026

Plus, the leather upper is durable and built to last. —Bestreviews, Chicago Tribune, 6 May 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