English Reference

Word

dynamics

Phoneticsdy·nam·ics, stress on the second syllable

US/daɪˈnæmɪks/

UK/daɪnˈæmɪks/

Definitions

01group behavior

B2 · Upper Intermediate Plural noun

n. the way that people in a group behave toward each other and how this changes over time.

n. the forces or properties which stimulate growth, change, or development within a system or group.

“The team dynamics changed completely when the new manager arrived.”

“The consultant spent a week observing the office dynamics to understand why communication between the departments had broken down so significantly.”

Usage

Usually plural in this sense.

02volume of sound

B2 · Upper Intermediate Plural noun Music

n. how loud or quiet a piece of music or a sound is.

n. the varying levels of volume of sound in a musical performance or recording.

“The pianist used soft dynamics to make the song sound very peaceful.”

“The conductor urged the brass section to observe the dynamics more closely, as their fortissimo was drowning out the delicate woodwind melody.”

Usage

Always plural in a musical context.

Synonyms

03study of motion

C1 · Advanced Uncountable noun Science Technical

n. the science of how forces make objects move.

n. the branch of mechanics concerned with the motion of bodies under the action of forces.

“In physics class, we studied the dynamics of a falling object.”

“Advanced fluid dynamics is essential for engineers designing the aerodynamic profile of high-speed racing cars.”

Usage

Treated as a singular noun when referring to the field of study.

Real-World Examples

“This is not so much a playful game of truth or dare as a carefully orchestrated experiment around group dynamics and exposure.”
The Guardian 19 Aug 2026
“The team’s description of harbor porpoise mating dynamics, published in 2018 , was the first of its kind for any porpoise species.”
Smithsonian Magazine 14 Aug 2026

Etymology

From dynamic + -ics.

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

Word family

NOUN

dynamics(B2)

Domains

MusicPhysics

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 Intermediate
Updated

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English Reference