outer

adjective

out·​er ˈau̇-tər 

1

: existing independent of mind : objective

outer reality

2

a

: situated farther out

the outer limits

b

: being away from a center

the planet's outer rings

c

: situated or belonging on the outside

an outer covering

Synonyms

• exterior
• external
• outside
• outward

Examples of outer in a Sentence

the outer edges of the roof

The package's outer covering was damaged.

I removed the outer skin of the onion.

Her inner turmoil was masked by an outer calm.

Recent Examples on the Web

The mesh outer layer enhances the lightweight, summer vibe, making these shoes the perfect combination of style and comfort. —Tiana Randall, Forbes.com, 29 Mar. 2025

The expandable capacity is possible with an external zipper, and the textured outer shell is scratch-resistant. —Kristin Braswell, Travel + Leisure, 28 Mar. 2025

Another plus is that the outer skin of acorn squash is edible when properly cooked, so there's no need to peel it before cooking. 5. —Jillian Kubala, Health, 25 Mar. 2025

There's a large fuzzy outer shadow, called the penumbra, and a much smaller, darker central shadow, the umbra. —Jamie Carter, Space.com, 23 Mar. 2025

Word History

Etymology

Middle English, from out entry 4 + -er entry 1

First Known Use

13th century, in the meaning defined at sense 1

Phrases Containing outer

• come-outer
• down-and-outer
• out-and-outer
• outer ear
• outer planet
• outer space

Rhymes for outer

• doubter
• lauter
• stouter

Kids Definition

outer

adjective

out·​er ˈau̇t-ər 

1

: located on the outside or farther out

the outer wall

2

: being away from a center

the outer planets of the solar system