Meaning of homeland security | Babel Free
Definitions
The concerted national effort, principally by government, to keep the United States safe and resilient to terrorism and other hazards.
US, uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.