English Reference

Word

tremor

US/ˈtɹɛmɝ/

UK/tɹˈɛmɐ/

Definitions

01body/voice shaking

B2 · Upper Intermediate Countable noun Medicine

n. a slight shaking movement in your body or voice, often caused by fear, excitement, or illness.

n. an involuntary, rhythmic muscle contraction leading to shaking movements in one or more parts of the body.

“I could hear a slight tremor in her voice as she began her speech.”

“The patient exhibited a resting tremor in his right hand, which became less pronounced during purposeful movement.”

Synonyms

tremblequivershake

Antonyms

02earthquake

B2 · Upper Intermediate Countable noun

n. a small earthquake or a slight shaking of the ground.

n. a relatively minor seismic vibration of the earth's crust.

“The city felt a small tremor last night, but no buildings were damaged.”

“Seismologists recorded a series of minor tremors preceding the major volcanic eruption by several hours.”

03to shake

C2 · Proficiency Literary

v. to shake or tremble quickly and uncontrollably.

v. to undergo rapid, involuntary oscillation or trembling.

“The leaves began to tremor as the cold wind blew through the valley.”

“His hands continued to tremor long after the immediate danger had passed, reflecting his deep psychological distress.”

Synonyms

Real-World Examples

“Deivi, who was asleep when the tremor began, says that he thought he was dreaming when the movement was gentle.”
BBC News 14 Aug 2026
“The tremor was felt across large parts of Colombia and in neighbouring countries, including Panama, Ecuador and Venezuela.”
UN News 11 Aug 2026

Etymology

From Middle English tremour (“fright”), from Anglo-Norman tremour and Old French tremor, from Latin tremor.

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

Domain

Medicine

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
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference