Major vs Significant

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

Major

Top 1,000 (very common)A2adjective

Significant

Top 1,000 (very common)B2adjective
 MajorSignificant
Pronunciation🇬🇧 /["/ˈmeɪdʒə(r)/"]/🇺🇸 /["/ˈmeɪdʒər/"]/🇬🇧 /["/sɪɡˈnɪfɪkənt/"]/🇺🇸 /["/sɪɡˈnɪfɪkənt/"]/
MeaningVery important or large.Important or meaning a lot.
ExampleThe major project deadline is coming up next week.The research showed a significant improvement in patient outcomes.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2B2
Part of speechadjectiveadjective
Collocationsmajor role, major issue, major change, major breakthrough, major decisionbe, prove, become, extremely, fairly, very, for, to
Antonymsminor, insignificant, trivialinsignificant, trivial, minor
Common mistakesConfused with 'majority' when talking about a large group., Using 'major' as a verb incorrectly., Incorrectly placing 'major' before a verb.Confusing 'significant' with 'significance'., Using 'significant' as a noun instead of an adjective., Overusing 'significant' in casual speaking.
Usage notesUse 'major' to describe something significant in formal and everyday contexts, but avoid it in highly casual situations.Used in academic and formal contexts to indicate importance. Avoid in very casual conversations; instead, use simpler words like 'big' or 'important'.

Frequently asked questions: Major vs Significant

What's the difference between Major and Significant?

Major: Very important or large. Significant: Important or meaning a lot.

Which is more advanced: Major and Significant?

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

Are Major and Significant the same CEFR level?

Major: A2, Significant: B2 on the CEFR scale.

What part of speech are Major and Significant?

Major: adjective, Significant: adjective.

Can you show an example of each?

Major: The major project deadline is coming up next week. Significant: The research showed a significant improvement in patient outcomes.

Can I use Major and Significant interchangeably?

Not always. Major and Significant 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.

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