English Reference

Word

terror

Phoneticster·ror, stress on the first syllable

US/ˈtɛɹɝ/

UK/tˈɛɹɐ/

Definitions

01extreme fear

B2 · Upper Intermediate Uncountable noun

n. a feeling of very strong fear or dread.

n. a state of intense, overwhelming fear or dread. Uncountable in its abstract sense.

“The passengers watched in terror as the engine began to smoke.”

“A look of pure terror crossed his face when he realised the safety harness had not been properly secured before the climb.”

Synonyms

Antonyms

02terrorism

B2 · Upper Intermediate Uncountable noun Politics

n. the use of violence and threats to scare people for political reasons.

n. the systematic use of violence and intimidation, especially against civilians, to achieve political or ideological goals.

“The government promised to fight against international terror.”

“The global campaign against terror has led to significant changes in international security protocols and border control measures.”

03a troublesome person

C1 · Advanced Countable noun Informal

n. a person, especially a child, who is very difficult to manage or causes a lot of trouble.

n. a person or thing that causes extreme annoyance or difficulty; frequently applied to unruly children.

“Their youngest son is a little terror when he doesn't get his way.”

“The new puppy proved to be a complete terror, chewing through several expensive cables within his first week in the house.”

04The Reign of Terror

C1 · Advanced Uncountable noun History Formal

n. a famous period of extreme violence during the French Revolution.

n. a period of the French Revolution characterised by mass executions and state-sanctioned violence. Usually capitalised as 'the Terror'.

“We studied the Terror and the fall of Robespierre in our history class.”

“Historians often debate the specific socio-political factors that allowed the Terror to escalate so rapidly in eighteenth-century France.”

Collocations

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

Verb

01. flee in terror

“The crowd began to flee in terror as the building started to collapse.”

verb + prep + noun

02. strike terror into the hearts

“The sound of the siren struck terror into the hearts of the villagers.”

verb + noun + prep + noun

Adjective

03. blind terror

“In a moment of blind terror, he jumped out of the window to escape the fire.”

adj + noun

04. sheer terror

“She looked at the giant spider with a look of sheer terror on her face.”

adj + noun

Noun

05. terror attack

“Security was tightened across the city following the recent terror attack.”

noun + noun

06. campaign of terror

“The rebel group launched a campaign of terror to intimidate the local population.”

noun + of + noun

07. reign of terror

“The dictator's reign of terror lasted for over a decade before he was overthrown.”

noun + of + noun

Preposition

08. in terror

“The children screamed in terror when the lights suddenly went out.”

prep + noun

09. terror attacks

Real-World Examples

“And Gaza can never again be a source of terror for Israel,” the source added.”
Al Jazeera 16 Aug 2026
“We are living in a state of terror,” Hassan said.”
The Guardian 13 Aug 2026

Etymology

Etymology tree Proto-Indo-European *tres- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *troséyeti Proto-Italic *trozeō Latin terreō Proto-Indo-European *-os Proto-Indo-European *-s Proto-Indo-European *-ōs Proto-Italic *-ōs Latin -or Latin terrorbor. Old French terreur Middle French terreurbor. Middle English terrour English terror From late Middle English terrour, from Old French terreur f (“terror, fear, dread”), from Latin terror m (“fright, fear, terror”), from terrēre (“to frighten, terrify”), from Old Latin tr̥reō, from Proto-Italic trozeō, from Proto-Indo-European tre- (“to shake”), *tres- (“to tremble”).

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

Word family

Domains

HistoryPolitics

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

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