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slow

/sləʊ/
IELTSAcademic
adjective

Moving or happening at a low speed. It can also describe something that takes a long time to happen or finish.

  • The train is slow today.
  • She gave me a slow reply.
  • Traffic was slow after the rain.
verb

To reduce speed, or to make something happen more slowly.

  • Slow down near the school.
  • The fog slowed our journey.
  • Please slow the process a little.
adverb

At a low speed. This use is less common in careful English than slowly.

  • Drive slow on this road.
  • He spoke slow and clear.
  • The boat moved slow across the lake.

Adinary Nuance

Slow is the general word for low speed, but it sounds less precise than 'sluggish' or 'lethargic'. Use 'slow' for everyday speed, delay, or progress. Use 'sluggish' for weak energy or poor movement, and 'lethargic' for tired, heavy, or unwell feeling.

In other languages

Vietnamese
chậm
Spanish
lento
Chinese
缓慢
Japanese
遅い
Korean
느린

Etymology

Old English slāw meant 'inactive' or 'lacking speed'. It is related to similar Germanic words in other languages.

Common phrases

slow downslow progressslow responseslow motion

Synonyms

Related words

Frequently asked questions

Is 'slow' formal or informal?
'Slow' is neutral. You can use it in speech, writing, and business English.
What is the difference between 'slow' and 'sluggish'?
'Slow' means low speed. 'Sluggish' often suggests weakness, tiredness, or poor energy.
Can I say 'drive slow'?
People say it in speech, but 'drive slowly' is more standard in careful English.
Is 'slow' used for people too?
Yes. It can describe a person who learns, thinks, or reacts with low speed.