English Reference

Word

primarily

Phoneticspri·mar·i·ly, stress on the second syllable

US/pɹaɪˈmɛɹəɫi/

UK/pɹaɪmˈɛɹəli/

Adverb of degree

Definition

adv. mostly or mainly. You use this to show the most important reason or purpose for something.

adv. for the most part; in the first place. Used to indicate the chief or principal factor in a situation.

Examples

“The company sells primarily to young adults.”

“The new community center is primarily used for youth sports, though it occasionally hosts local markets.”

“While the author touches on several historical themes, the book is primarily concerned with the psychological impact of the war on civilian populations.”

Examples

simple

“The company sells primarily to young adults.”

contextual

“The new community center is primarily used for youth sports, though it occasionally hosts local markets.”

complex

“While the author touches on several historical themes, the book is primarily concerned with the psychological impact of the war on civilian populations.”

Collocations

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

Verb

01. assign primarily

“The tasks were assigned primarily to the most experienced team members.”

verb + adv

02. primarily associate

“People primarily associate the brand with high-quality sports equipment.”

adv + verb

03. primarily base

“The film is primarily based on a true story from the 1920s.”

adv + verb

04. primarily concern

“The new regulations primarily concern small business owners.”

adv + verb

05. primarily consist

“The committee primarily consists of experts from the medical field.”

adv + verb

06. primarily depend

“Success in this role will primarily depend on your communication skills.”

adv + verb

07. primarily design

“This course is primarily designed for beginners with no prior knowledge.”

adv + verb

08. primarily determine

“Your final grade is primarily determined by the end-of-year exam.”

adv + verb

09. primarily develop

“The software was primarily developed for mobile devices.”

adv + verb

10. primarily direct

“The marketing campaign is primarily directed at young adults.”

adv + verb

11. primarily drive

“The increase in sales was primarily driven by the new advertising strategy.”

adv + verb

12. primarily lives

Usage

Typically placed before the adjective, adverb, or prepositional phrase it modifies, or between the auxiliary and main verb.

Real-World Examples

“For many Osun voters, the election is not primarily about Tinubu’s political future.”
Al Jazeera 14 Aug 2026
“These glasses have primarily been found in Madrid, Castilla y León, Galicia, La Rioja and Aragón regions, all of which have issued recalls.”
The Local 11 Aug 2026

Etymology

From primary + -ly.

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

Word family

ADJECTIVE

ADVERB

primarily(B2)

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

QR code

englishreference.com/q/primarily

English Reference