English Reference

Word

mobilization

Phoneticsmo·bi·liza·tion

/ˌmoʊbəɫəˈzeɪʃən/

UK spelling · mobilisation

Countable & uncountable

Definition

n. the act of organizing people or resources to get something done, especially for a war or a big project. It can also mean the movement of something that was previously still.

n. the act of assembling and organizing resources, troops, or people for active service or a specific purpose. In a technical sense, refers to the process of making something mobile or capable of movement.

Examples

“The mobilization of the army took several weeks.”

“The rapid mobilization of emergency services helped save many lives after the earthquake.”

“Successful political change requires the mobilization of diverse social groups around a shared set of goals, ensuring that local efforts align with a broader national strategy.”

Examples

simple

“The mobilization of the army took several weeks.”

contextual

“The rapid mobilization of emergency services helped save many lives after the earthquake.”

complex

“Successful political change requires the mobilization of diverse social groups around a shared set of goals, ensuring that local efforts align with a broader national strategy.”

Usage

Uncountable when referring to the general process; countable when referring to specific instances or historical events.

Real-World Examples

“Swift mass mobilization may help colonies respond quickly to environmental changes or threats; however, there are potential drawbacks to a colonywide response.”
Phys.org 15 Aug 2026
“In kitchens and Telegram chats across Russia, the same question is being asked with growing frequency: will Vladimir Putin order another mobilisation?”
The Guardian 14 Aug 2026

Etymology

From French mobilisation or mobilize + -ation.

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

Word family

NOUN

mobilization(C1)

Domain

Geology

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · Advanced
Updated

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English Reference