ingress

noun

in·​gress ˈin-ˌgres 

1

: the act of entering : entrance

the seal prevents ingress of moisture

2

: the power or liberty of entrance or access

an area with restricted ingress

ingression

in-ˈgre-shən 

noun

Synonyms

• access
• accession
• admission
• admittance
• door
• doorway
• entrance
• entrée
• entree
• entry
• gateway
• key
• passport
• ticket

Examples of ingress in a Sentence

Ingress to and egress from the freeway were made difficult by the construction.

with limited ingress and egress to the freeway, the stadium is the frequent scene of bottlenecks

Recent Examples on the Web

The fabrics used for the outers are not impervious to rain, but water ingress is slowed through the use of (Nikwax) chemical treatments. —Carlton Reid, Forbes.com, 10 Apr. 2025

The optical engine is sealed against dust ingress to keep the speckles from spoiling movie nights. —Paul Ridden, New Atlas, 14 Mar. 2025

The lens includes internal seals and gaskets to reduce instances of dust and splash ingress. —PCMAG, 12 Mar. 2025

The difference maker is weather sealing—the WR version of the lens includes internal seals that protect it from dust and splash ingress, and includes a fluorine coat on the front element that makes the glass easier to clean. —PCMAG, 5 Mar. 2025

Word History

Etymology

Middle English, from Latin ingressus, from ingredi

First Known Use

15th century, in the meaning defined at sense 1

Kids Definition

ingress

noun

in·​gress ˈin-ˌgres 

1

: the act of entering

2

: the power or liberty of entering

Legal Definition

ingress

noun

in·​gress ˈin-ˌgres 

1

: the act of entering

2

: the power or liberty of access compare egress