English Reference

Word

territorial

Phoneticster·ri·to·ri·al, stress on the third syllable

US/ˌtɛɹɪˈtɔɹiəɫ/

UK/tˌɛɹɪtˈɔːɹɪəl/

Definitions

01protecting an area

B2 · Upper Intermediate Science

adj. behaving in a way that shows you want to protect your own area from others.

adj. displaying territoriality; defensive of a specific geographic area against intruders.

“Male birds often become very territorial during the spring to protect their nests.”

“The species is known for its highly territorial nature, with males engaging in complex vocal displays to ward off potential rivals from their feeding grounds.”

02relating to a region

B2 · Upper Intermediate

adj. relating to a specific piece of land or a particular country.

adj. of or relating to a specific geographic area or territory.

“The two countries are currently involved in a territorial dispute over the islands.”

“The treaty aimed to resolve long-standing territorial claims that had hindered economic cooperation between the neighbouring states for decades.”

03a part-time soldier

C1 · Advanced Countable noun British English

n. a member of a military force that is usually only active for home defence.

n. a non-professional member of a territorial army or home defence force.

“He spent his weekends training as a territorial in the local regiment.”

“The battalion was largely composed of territorials who were mobilised rapidly following the declaration of the national emergency.”

Synonyms

reservist

Real-World Examples

“The gulf is not within the territorial United States.”
The Conversation 28 Aug 2026
“Coventry will not have the same territorial control or volume of chances they enjoyed last season either – they need players who can get them up the pitch.”
The Guardian 14 Aug 2026

Word family

ADJECTIVE

territorial(B2)

Idioms

Domain

Biology

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
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference