Importance vs Relevance vs Significance

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

Importance

Top 1,000 (very common)B1noun

Relevance

Top 2,000 (common)C1noun

Significance

Top 1,000 (very common)B2noun
 ImportanceRelevanceSignificance
Pronunciation🇬🇧 /["/ɪmˈpɔːtns/"]/🇺🇸 /["/ɪmˈpɔːrtns/"]/🇬🇧 /["/ˈreləvəns/","/ˈreləvənsi/"]/🇺🇸 /["/ˈreləvəns/","/ˈreləvənsi/"]/🇬🇧 /["/sɪɡˈnɪfɪkəns/"]/🇺🇸 /["/sɪɡˈnɪfɪkəns/"]/
MeaningHow much something matters.How important something is to a topic.The importance of something.
ExampleThe importance of education cannot be overstated.I don't see the relevance of your question.The significance of this discovery cannot be overstated.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelB1C1B2
Part of speechnounnounnoun
Collocationscardinal, central, considerable, have, assume, take on, lie in something, of… importance, importance  for, importance  to, in order of importance, a matter of grave importance, a matter of great importancerelevance to, question of relevance, lack of relevanceconsiderable, cosmic, deep, have, acquire, assume, lie in something, attach to something, significance for, significance to, of significance, be of little, no, etc. significance, considerable, cosmic, deep, have, acquire, assume, lie in something, attach to something, significance for, significance to, of significance, be of little, no, etc. significance
Antonymstriviality, insignificance, unimportanceirrelevance, insignificance, unimportanceinsignificance, unimportance
Common mistakes'Importance' is often confused with 'important', which is an adjective., Some learners use 'importance' with incorrect prepositions, like 'importance for' instead of 'importance of'., Confusion between 'importance' and 'significance' in context.Confused with 'relevant' (adjective) when talking about importance., Used incorrectly as a verb., Overgeneralized to all topics when it may only apply to specific contexts.Confused with 'significant' as an adjective., Using it in overly casual contexts., Mispronouncing it as 'signifigance'.
Usage notesUse 'importance' in discussions that require an objective level of significance. It's suitable for academic and professional contexts but may sound too serious in casual conversations.Used in academic, professional, and everyday contexts. Avoid in very casual conversations.Used in both formal and informal contexts. Avoid using it in casual conversations unless discussing important matters.

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Importance
Significance

Frequently asked questions: Importance vs Relevance vs Significance

What's the difference between Importance, Relevance, and Significance?

Importance: How much something matters. Relevance: How important something is to a topic. Significance: The importance of something.

Which is more advanced: Importance, Relevance, and Significance?

Relevance is the highest level, at C1, on the CEFR scale.

Are Importance, Relevance, and Significance the same CEFR level?

Importance: B1, Relevance: C1, Significance: B2 on the CEFR scale.

What part of speech are Importance, Relevance, and Significance?

Importance: noun, Relevance: noun, Significance: noun.

Can you show an example of each?

Importance: The importance of education cannot be overstated. Relevance: I don't see the relevance of your question. Significance: The significance of this discovery cannot be overstated.

Can I use Importance, Relevance, and Significance interchangeably?

Not always. Importance, Relevance, and Significance 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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