era

1 of 2

noun

ˈer-ə 

ˈe-rə, 

ˈir-ə 

1

a

: a fixed point in time from which a series of years is reckoned

b

: a memorable or important date or event

especially : one that begins a new period in the history of a person or thing

2

: a system of chronological notation computed from a given date as basis

3

a

: a period identified by some prominent figure or characteristic feature

the era of the horse and buggy

b

: a stage in development (as of a person or thing)

c

: a large division of geologic time usually shorter than an eon

Paleozoic era

ERA

2 of 2

abbreviation

1

earned run average

2

Equal Rights Amendment

Synonyms of era

Noun

• day
• age
• time
• period
• epoch

Choose the Right Synonym for era

period, epoch, era, age mean a division of time.

period may designate an extent of time of any length.

periods of economic prosperity

epoch applies to a period begun or set off by some significant or striking quality, change, or series of events.

the steam engine marked a new epoch in industry

era suggests a period of history marked by a new or distinct order of things.

the era of global communications

age is used frequently of a fairly definite period dominated by a prominent figure or feature.

the age of Samuel Johnson

Examples of era in a Sentence

Noun

the era of the horse and buggy

We're just now entering an era of great prosperity.

His death marks the end of an era.

Recent Examples on the Web

Noun

Many trainers of that era maligned Islam and backed policies that violated the rights of ordinary American Muslims in the name of counterterrorism, according to civil liberties watchdogs. —Hannah Allam, ProPublica, 21 Apr. 2026

On the Sonora stage Sunday, the 22-year-old Newark rapper-producer who arrived at the current screaming catharsis via a circuit of molting SoundCloud-era microgenres was at once dangerously commanding and euphoric while tearing through highlights from last year’s Revengeseekerz. —Craig Jenkins, Vulture, 21 Apr. 2026

Apple’s changing of the guard with low-key Head of Hardware Engineering, John Ternus, set to replace CEO Tim Cook in a matter of months, launches a new era at the tech giant. —Jill Goldsmith, Deadline, 21 Apr. 2026

With full results expected later this year, the era of intelligent BCI therapeutics is slowly becoming a clinical reality. —Mrigakshi Dixit, Interesting Engineering, 21 Apr. 2026

Word History

Etymology

Noun

Late Latin aera, from Latin, counters, plural of aer-, aes copper, money — more at ore

First Known Use

Noun

1615, in the meaning defined at sense 1a

Phrases Containing era

• Christian era
• Islamic era
• Muslim era
• vulgar era

Rhymes for era

• cara
• naira
• narra
• sara
• sarah
• sclera
• terra
• vera
• verra
• antisera
• cladocera
• hemiptera

Kids Definition

era

noun

ˈir-ə  ˈer-ə 

ˈē-rə

1

: a period of time beginning with some special date or event

the Christian era

2

: an important or outstanding period of history

the Revolutionary era

3

: one of the five major divisions of geologic time

Paleozoic era