Mere vs Slight

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

Mere

Top 2,000 (common)C1adjective

Slight

Top 2,000 (common)B2adjective
 MereSlight
Pronunciation🇬🇧 /["/mɪə(r)/"]/🇺🇸 /["/mɪr/"]/🇬🇧 /["/slaɪt/"]/🇺🇸 /["/slaɪt/"]/
Meaningjust or onlyA little bit or small in amount.
ExampleIt took her a mere 20 minutes to win.There was a slight delay in the train schedule due to maintenance work.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B2
Part of speechadjectiveadjective
Collocationsmere coincidence, mere presence, mere handful, mere suggestionappear, be, seem, extremely, fairly, very, the slightest of…, be, look, very, physically
Antonymssignificant, considerable, substantial, importantsignificant, substantial, considerable
Common mistakesConfusing 'mere' with 'merely' — understanding the difference in usage., Using 'mere' incorrectly with plural nouns., Overusing 'mere' in contexts that do not require emphasis.Confusing with 'slighted' which means to insult someone., Using 'slight' to describe something very large instead of small., Mixing up 'slight' with 'light' regarding weight.
Usage notesUse 'mere' to emphasize something is small or insignificant. It can sound formal in casual contexts. Avoid using it in overly casual conversations.Use '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.

Frequently asked questions: Mere vs Slight

What's the difference between Mere and Slight?

Mere: just or only Slight: A little bit or small in amount.

Are Mere and Slight the same CEFR level?

Mere: C1, Slight: B2 on the CEFR scale.

Can I use Mere and Slight interchangeably?

Not always. Mere and Slight 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