upper

1 of 3

adjective

up·​per ˈə-pər How to pronounce upper (audio)
Synonyms of uppernext
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:

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Upper floors tend to be quieter, with rooms on the south side featuring peekaboo views of the water and Olympic Mountains. Condé Nast, Condé Nast Traveler, 23 May 2026 Starship's Ship 39 upper stage also lost one of its six main engines during ascent, but managed to reach space on the remaining five. Josh Dinner, Space.com, 23 May 2026
Noun
The suede upper gives them a more elevated look while the flexible sole keeps them comfortable enough for everyday wear. Chaise Sanders, Travel + Leisure, 25 May 2026 As opposed to smooth leather uppers, these feature richer-looking design elements, like suede uppers, gold detailing, and translucent gum soles. Olivia Cigliano, InStyle, 24 May 2026 See All Example Sentences for upper

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

Time Traveler
The first known use of upper was in the 14th century

Cite this Entry

“Upper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upper. Accessed 27 May. 2026.

Kids Definition

upper

1 of 3 adjective
up·​per ˈəp-ər How to pronounce upper (audio)
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 How to pronounce upper (audio)
: an upper tooth or denture

upper

2 of 2 noun
: a stimulant drug
especially : amphetamine

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