Slight vs Small

When to use each in English, with meaning, register, and examples.

Slight

Top 2,000 (common)B2adjective

Small

Top 1,000 (very common)A1adjective
Most common: Small
 SlightSmall
Pronunciation🇬🇧 /["/slaɪt/"]/🇺🇸 /["/slaɪt/"]/🇬🇧 /["/smɔːl/"]/🇺🇸 /["/smɔːl/"]/
MeaningA little bit or small in amount.Not big in size.
ExampleThere was a slight delay in the train schedule due to maintenance work.She has a small puppy that loves to play.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB2A1
Part of speechadjectiveadjective
Collocationsappear, be, seem, extremely, fairly, very, the slightest of…, be, look, very, physicallybe, feel, look, extremely, fairly, very, for, big and small, large and small, smaller and smaller
Antonymssignificant, substantial, considerablelarge, big, huge
Common mistakesConfusing with 'slighted' which means to insult someone., Using 'slight' to describe something very large instead of small., Mixing up 'slight' with 'light' regarding weight.Confusing 'small' with 'little' in size comparisons., Using 'small' to describe quantity when 'few' is more appropriate., 'Small' may be incorrectly used as a noun.
Usage notesUse 'slight' to describe something that is not much or only a little. It is appropriate in both formal and informal contexts but is less common in very casual speech.Use 'small' when describing size, usually negative or neutral. Don't use it for formal contexts like technical descriptions where precision is needed.

See it in real clips

Slight
Small

Frequently asked questions: Slight vs Small

What's the difference between Slight and Small?

Slight: A little bit or small in amount. Small: Not big in size.

Which is more common: Slight and Small?

Small is the most common in everyday English.

Which is more advanced: Slight and Small?

Slight is the highest level, at B2, on the CEFR scale.

Are Slight and Small the same CEFR level?

Slight: B2, Small: A1 on the CEFR scale.

What part of speech are Slight and Small?

Slight: adjective, Small: adjective.

Can you show an example of each?

Slight: There was a slight delay in the train schedule due to maintenance work. Small: She has a small puppy that loves to play.

Can I use Slight and Small interchangeably?

Not always. Slight and Small are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons