lag
B2Neutral to informal, becoming technical in computing contexts.
Definition
Meaning
To move, progress, or happen more slowly than others; to fall behind in pace or development.
1) A delay or interval between related events or processes. 2) To cover pipes or tanks for insulation (less common). 3) In computing/gaming: a slow response or delay in data transmission.
Linguistics
Semantic Notes
As a verb, often intransitive (e.g., 'he lagged behind'). As a noun, commonly refers to a measurable delay. In British informal slang, can also mean an old convict or a person who has been imprisoned (archaic).
Dialectal Variation
British vs American Usage
Differences
Both use 'lag' similarly for delay/fall behind. 'Lagging' as insulation for pipes is more common in UK usage. The UK also has the historical/informal noun meaning 'a convict' which is absent in US usage.
Connotations
In both, the verb often has a negative connotation of underperformance. In gaming/tech, 'lag' is universally negative.
Frequency
Slightly more frequent in UK English due to the insulation meaning. The 'delay' sense is equally common in both.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] + lag + behind + [Object][Subject] + lag + [adverbial of degree]There is a + [adjective] + lag + between X and YVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Jet lag”
- “Lag behind the times”
- “A lag of a few weeks”
Usage
Context Usage
Business
"Sales figures lag behind projections for the third quarter."
Academic
"The study identified a significant lag between policy implementation and observable societal change."
Everyday
"Sorry I'm lagging today, I didn't sleep well."
Technical
"Network latency causes a noticeable input lag in online games."
Examples
By Part of Speech
verb
British English
- The UK's broadband infrastructure often lags behind that of other European nations.
- We need to lag the hot water pipes before winter.
American English
- Our research and development shouldn't lag behind our competitors'.
- The player's connection was lagging during the entire match.
adverb
British English
- N/A (extremely rare as an adverb).
American English
- N/A (extremely rare as an adverb).
adjective
British English
- The lag indicators for the economy are concerning.
- We're experiencing lag response times on the server.
American English
- The lag time between order and delivery is too long.
- She suffered from lag effects after the time zone change.
Examples
By CEFR Level
- The youngest child always lags behind when we go for a walk.
- I feel tired because of jet lag.
- There's usually a short lag between the lightning and the thunder.
- His computer is old, so it lags when he opens many programs.
- Economic recovery tends to lag behind improvements in the job market.
- The cultural lag in adopting new technologies can be significant in some communities.
- The government's response was criticised for lagging woefully behind public opinion.
- The researcher accounted for the temporal lag between cause and effect in the statistical model.
Learning
Memory Aids
Mnemonic
Think of a LAGging suitcase you drag behind you, making you slow and delayed.
Conceptual Metaphor
MOVING FORWARD IS PROGRESS / FALLING BEHIND IS FAILURE TO PROGRESS.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation from Russian 'лаг' (camp) - they are false friends.
- Do not confuse with 'leg' (нога) in pronunciation.
- The computing term 'lag' is often used as-is (лаг), but the general verb 'to lag behind' is better translated as 'отставать'.
Common Mistakes
- Using 'lag' as a transitive verb without 'behind' (e.g., 'He lagged the group' is incorrect; 'He lagged behind the group' is correct).
- Confusing 'lag' (delay) with 'leg' (limb) in spelling/pronunciation.
Practice
Quiz
In which context is 'lag' LEAST likely to be used correctly?
FAQ
Frequently Asked Questions
Mostly yes, as it implies a delay or shortfall. However, in technical contexts like 'lag time', it can be a neutral descriptive term.
'Lag' often implies slowness within an ongoing process or competition ('lagging behind'), while 'delay' is a more general term for something being made late. A 'delay' can be a single event; 'lag' suggests a continuing state.
Rarely in the 'delay' sense. It is transitive in the specific technical sense of 'to insulate' (e.g., 'lag the pipes'). For the main meaning, it is usually intransitive or used with 'behind'.
Yes, it's a direct metaphor. It refers to the body's physiological functions 'falling behind' (or being ahead of) the new local time after a rapid time zone change.