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

Liverpool, the Premier League’s most profitable club, have only marginally broken across the FSG era (below). — Philip Buckingham, New York Times, 19 Aug. 2026

Twenty years into the modern era of Housewifery, there are lots of similarities among the cities and among the women. — Brian Moylan, Vulture, 19 Aug. 2026

Redefining How Fashion Is Bought If the early wave of e-commerce was about access and the mobile era was about convenience, the next phase, agentic commerce, will be defined by confidence. — Footwear News, 18 Aug. 2026

Suez became a shorthand for the demise of the European empires and the passage from a multipolar world to the bipolar Cold War–era system. — Marc Lynch, Foreign Affairs, 18 Aug. 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
• cordillera

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