English Reference

Word

commonly

Phoneticscom·mon·ly, stress on the first syllable

US/ˈkɑmənɫi/

UK/kˈɒmənli/

Adverb of frequency

Definitions

01usually or frequently

B1 · Intermediate

adv. often or in most situations.

adv. frequently or usually; indicates a high frequency or a standard state of affairs.

“This type of bird is commonly seen in gardens during the summer.”

“It is commonly assumed that the project will be completed by the end of the fiscal year, though no official announcement has been made.”

Usage

Typically placed before the main verb or an adjective.

02by many people

B2 · Upper Intermediate

adv. by most people or in a way that many people share.

adv. in a manner that is shared by the public or a specific group; often used to describe shared beliefs or names.

“The plant is commonly known as 'mother-in-law's tongue'.”

“The condition was commonly misdiagnosed as a simple allergy before more advanced testing became available to the general public.”

Usage

Often used with passive verbs like 'known', 'called', or 'believed'.

Collocations

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

Verb

01. commonly accept

“It is now commonly accepted that smoking causes serious health problems.”

adv + verb

02. commonly associate

“People commonly associate the color red with danger or passion.”

adv + verb

03. commonly assume

“It is commonly assumed that technology always makes life easier.”

adv + verb

04. commonly call

“The plant is commonly called a 'Spider Plant' due to its long leaves.”

adv + verb

05. commonly cite

“Lack of funding is the most commonly cited reason for the project's failure.”

adv + verb

06. commonly describe

“The symptoms are commonly described as a mild pressure in the head.”

adv + verb

07. commonly know

“Vitamin C is commonly known for its ability to boost the immune system.”

adv + verb

08. commonly present

“These bacteria are commonly present in the human digestive system.”

adv + verb

09. commonly refer

“Locals commonly refer to the park as 'The Green Lung' of the city.”

adv + verb

10. commonly regard

“He is commonly regarded as one of the greatest writers of the century.”

adv + verb

11. commonly report

“Patients commonly report feeling tired after taking the medication.”

adv + verb

12. commonly see

“These birds are commonly seen in gardens during the spring months.”

adv + verb

Real-World Examples

“It turns out that the one that works best—Direct Reduced Grade Taconite—is one of the most commonly used grades available in Minnesota.”
Phys.org 15 Aug 2026
“When in-person visits are offered, they most commonly are noncontact, an arrangement that is easier for jails to manage .”
The Conversation 10 Aug 2026
“Most of these organisms lived before animals commonly developed shells, bones, or other hard body parts.”
ScienceDaily 6 Aug 2026
“Astronauts also commonly eat less than expected and may lose weight during missions.”
The Conversation 3 Aug 2026

Etymology

Inherited from Middle English comunly; equivalent to common + -ly.

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

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/commonly

English Reference