# IDF

CEFR C1 · Noun

Source: https://englishreference.com/word/idf
Updated: 2026-05-10

## Definition

Stands for Israel Defense Forces. The military forces of Israel, responsible for the country's defense on land, at sea, and in the air.

For teachers: Abbreviation for Israel Defense Forces. The national military of the State of Israel, comprising ground forces, an air force, and a navy. Typically takes a singular verb.

## Examples

- The IDF monitors the border closely.
- After completing high school, many young Israelis are required to serve in the IDF for several years.
- The organizational structure of the IDF is unique among modern militaries due to its heavy reliance on a large reserve force that can be mobilized within forty-eight hours.

## Usage notes

- Usually functions as a collective noun; takes a singular verb in American English and often a plural verb in British English.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.