← Back to search

Meaning of active shooter drill | Babel Free

Noun CEFR C1

Definitions

A drill practiced at schools where the lights must be turned off, windows covered, doors locked, and everyone must hide out of sight.

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

active sonar active time battle active timing active transport active travel active vocabulary