mobilize

verb

mo·​bi·​lize ˈmō-bə-ˌlīz 

mobilized; mobilizing

transitive verb

1

a

: to put into movement or circulation

mobilize financial assets

b

: to release (something stored in the organism) for bodily use

The body mobilizes its antibodies.

2

a(1)

: to bring (people) together for action

mobilized their supporters for the campaign

(2)

: to assemble and make (soldiers, an army, etc.) ready for war

mobilize all reserve forces for overseas duty

b

: to marshal (something, such as resources) for action

mobilize support for a proposal

intransitive verb

: to undergo mobilization

The army can mobilize quickly for a major war.

Synonyms of mobilize

• organize
• summon
• rally
• order

Examples of mobilize in a Sentence

They couldn't mobilize enough support to pass the new law.

Several groups have mobilized to oppose the proposed new law.

They have the ability to mobilize quickly.

The government had to mobilize the army quickly.

More than 10,000 troops were mobilized for war.

Recent Examples on the Web

Moreover, passage of such a new compact is far from assured, particularly if the country’s nationalist opposition manages to mobilize effectively. — Ilan Berman, Forbes.com, 7 July 2026

The alliance then experienced a resurgence in the face of Russia's invasion of Ukraine in 2022, which mobilized member states to address the conflict. — Danielle Kurtzleben, NPR, 7 July 2026

Resident Carolina Molina has been helping mobilize the community, appealing for supplies from outside. — Catherine Ellis, Miami Herald, 6 July 2026

KiMi Robinson Ahead of an event that was speculated to be Swift and Kelce's rehearsal dinner at MSG on July 2, members of the couple's inner circle were mobilizing across New York City. — Bryan West, USA Today, 4 July 2026

Word History

First Known Use

1838, in the meaning defined at transitive sense 1a

Rhymes for mobilize

• advertise
• aggrandize
• alibis
• alkalies
• alkalis
• amortize
• amplifies
• analyse
• analyze
• anywise
• authorize
• butterflies

Kids Definition

mobilize

verb

mo·​bi·​lize ˈmō-bə-ˌlīz 

mobilized; mobilizing

: to assemble and make ready for action : marshal

mobilization

ˌmō-bə-lə-ˈzā-shən

noun

Medical Definition

mobilize

verb

mo·​bi·​lize

variants also British mobilise

ˈmō-bə-ˌlīz 

mobilized also British mobilised; mobilizing also British mobilising

transitive verb

1

: to put into movement or circulation : make mobile

specifically : to release (something stored in the body) for body use

the body mobilizes its antibodies

2

: to assemble (as resources) and make ready for use

the sympathetic nervous system … mobilizes the bodily resources as a means of preparing for fight or flight

—H. G. Armstrong

3

: to separate (an organ or part) from associated structures so as to make more accessible for operative procedures

4

: to develop to a state of acute activity

ego feeling and ego attitude … mobilize hostile feelings toward others

—Abram Kardiner

intransitive verb

: to undergo mobilization : assemble and organize for action

mobilizable adjective

also British mobilisable

ˈmō-bə-ˌlī-zə-bəl