English Reference

Word

primary

Phoneticspri·ma·ry, stress on the first syllable

US/ˈpɹaɪˌmɛɹi/

UK/pɹˈaɪməɹi/

Definitions

01most important

B1 · Intermediate General-service

adj. the most important or main thing in a situation.

adj. of chief importance; principal or main.

“Our primary goal is to finish the project before the deadline.”

“The primary concern for the board of directors was the long-term sustainability of the new environmental policy.”

Antonyms

02first in a series

B2 · Upper Intermediate Academic

adj. happening first in a process or series of events.

adj. earliest in time or order of development.

“The researchers looked at the primary causes of the problem.”

“The primary stage of the geological survey focused on identifying mineral deposits near the surface.”

Antonyms

03early education

A2 · Elementary

adj. relating to the education of children between the ages of about five and eleven.

adj. relating to or denoting the first stage of formal education.

“She has been a primary school teacher for over ten years.”

“The government announced a significant increase in funding for primary education to improve literacy rates among young children.”

Synonyms

04political election

B2 · Upper Intermediate Countable noun Politics American English

n. an election where people choose which person will represent a political party in a later election.

n. a preliminary election to appoint delegates or a candidate for a principal election.

“The senator won the primary and will run for president in November.”

“Voter turnout during the state primary was unexpectedly high, suggesting a shift in the political landscape before the general election.”

Synonyms

05to challenge a politician

C1 · Advanced Politics American English · Informal

v. to run against a politician from your own party to try to take their place.

v. to challenge an incumbent for their party's nomination in a primary election.

“The local leader was worried that a younger candidate might primary him.”

“The incumbent representative faced a difficult campaign after a more radical member of the party decided to primary her.”

Synonyms

06medical source

C1 · Advanced Medicine Technical

adj. describing the place where a disease or health problem first started.

adj. relating to the initial site of a disease or the first stage of medical care.

“The doctor identified the primary tumor in the patient's lung.”

“Primary healthcare providers serve as the first point of contact within the medical system for most patients.”

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “primary” in context.

Verb

01. consider primary

“We consider primary education to be the foundation of a child's development.”

verb + adj

Noun

02. primary care

“Better access to primary care can reduce hospital admissions.”

adj + noun

03. primary concern

“Our primary concern is the safety of the passengers.”

adj + noun

04. global primary

05. of primary importance

“The quality of the ingredients is of primary importance in this recipe.”

06. primary aim

07. primary analysis

08. primary area

09. primary cause

10. primary consideration

11. primary schools

12. primary sources

Etymology

Borrowed from Latin prīmārius (“of the first (rank); chief, principal; excellent”), from prīmus (first; whence the English adjective prime) + -ārius (whence the English suffix -ary); compare the French primaire, primer, and premier. Doublet of premier.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

primary(B1)

Related words

Domains

AviationChemistryElectronicsGeologyMedicineMilitaryPolitics

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Very common
Level
B1 · IntermediateOxford
Updated

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English Reference