sweep check
C1-C2 / Low Frequency (Specialist)Formal, Technical (Security, Military, Aviation, IT), Journalistic
Definition
Meaning
A rapid, thorough inspection or verification, often performed as a security or safety procedure before an important event or after a potential threat.
A comprehensive but swift review or audit of a system, process, or area to ensure no problems, dangers, or unauthorized items are present.
Linguistics
Semantic Notes
Implies both speed and comprehensiveness. The 'sweep' suggests a broad, covering motion, while 'check' implies methodical verification. Used predominantly in contexts where omission of a threat has serious consequences.
Dialectal Variation
British vs American Usage
Differences
More common in UK security/police jargon (e.g., 'The palace underwent a sweep check'). In US usage, 'sweep' alone often suffices (e.g., 'security sweep'), but 'sweep check' is understood and used in formal protocols.
Connotations
UK: Often associated with royal, diplomatic, or high-profile event security. US: Stronger association with military, bomb disposal, and counter-terrorism operations.
Frequency
Low frequency in general discourse but standard within its professional domains in both variants.
Vocabulary
Collocations
Grammar
Valency Patterns
to conduct/perform/carry out a sweep check (of/for N)a sweep check is carried outsubject + undergo + a sweep checkVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Leave no stone unturned (conceptual parallel)”
- “Dot the i's and cross the t's (meticulous checking)”
Usage
Context Usage
Business
Before a major board meeting involving sensitive mergers, IT will perform a sweep check for any unauthorised recording devices in the conference room.
Academic
The research lab conducts a daily sweep check for contaminants to ensure the integrity of the experiments.
Everyday
We gave the holiday cottage a quick sweep check for any damage before handing the keys back to the owner.
Technical
The cybersecurity team initiated a sweep check of the network for any indicators of compromise (IOCs) following a phishing alert.
Examples
By Part of Speech
verb
British English
- The venue must be sweep-checked by authorised personnel prior to the minister's speech.
- Specialists are sweep-checking the offices for bugs.
American English
- The Secret Service will sweep-check the motorcade route.
- Have you sweep-checked the system for vulnerabilities?
adjective
British English
- The sweep-check procedure is outlined in the security manual.
- They followed the standard sweep-check protocol.
American English
- The sweep-check operation took two hours.
- A sweep-check team was deployed ahead of the President's visit.
Examples
By CEFR Level
- Before the concert, security did a sweep check of the hall.
- As part of the pre-flight preparations, the ground crew conducted a final sweep check of the aircraft's exterior.
- The counter-intelligence unit performed a meticulous electronic sweep check of the embassy's new communications room, ensuring it was free from covert listening devices.
Learning
Memory Aids
Mnemonic
Imagine a janitor with a metal detector SWEEPing the floor in a CHECKered pattern, leaving no square unchecked.
Conceptual Metaphor
SECURITY/SAFETY IS CLEANLINESS (sweeping away threats), THOROUGHNESS IS A COMPLETE COVERING MOTION.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate as 'проверка подметанием' (literal). The correct equivalent is 'тщательная проверка', 'прочес(ка) (местности)', 'контрольный обход'.
Common Mistakes
- Using 'sweep check' for a casual look (too formal/technical). Confusing with 'spot check' (which is random, not comprehensive).
Practice
Quiz
In which context is 'sweep check' LEAST likely to be used?
FAQ
Frequently Asked Questions
It can be considered a tautology, as a 'sweep' in security contexts implies a check. However, the compound is standard jargon that emphasizes the methodical, verifying aspect of the sweep, distinguishing it from a mere visual scan.
Yes, it's commonly used in cybersecurity to mean a comprehensive scan of a network or system for threats, vulnerabilities, or unauthorized software.
A 'sweep' is the action itself (e.g., a bomb sweep). A 'sweep check' often refers to the formal procedure or the act of verifying the results of that sweep. In practice, they are frequently used interchangeably.
Primarily a noun (conduct a sweep check). It can be used as a phrasal verb (to sweep-check something), but this is less common and more typical in technical writing or speech.