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 of outer

• exterior
• 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

During the day on Sunday, the outer shield of high clouds will enter our area. — Terry Eliasen, CBS News, 8 Oct. 2026

Because of this penetration, the pulses recorded activity deep inside the sample, rather than just on the outer surface. — Aman Tripathi, Interesting Engineering, 7 Oct. 2026

Still, the results provide another piece of evidence linking outer hair cell function with tinnitus. — Mike McRae 07, New Atlas, 7 Oct. 2026

The Mane of Needles is an outer leaf on the family tree of Negronis. — Jason O'Bryan, Robb Report, 3 Oct. 2026

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