Introduction vs Opening

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

Introduction

Top 1,000 (very common)A2noun

Opening

Top 1,000 (very common)B2noun
 IntroductionOpening
Pronunciation🇬🇧 /["/ˌɪntrəˈdʌkʃn/"]/🇺🇸 /["/ˌɪntrəˈdʌkʃn/"]/🇬🇧 /["/ˈəʊpənɪŋ/"]/🇺🇸 /["/ˈəʊpənɪŋ/"]/
MeaningThe first part of something that explains what it is.The act of starting something, like a door or a conversation.
ExampleThe introduction to the book was very engaging.The opening of the new library was attended by the mayor.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2B2
Part of speechnounnoun
Collocationsbrief, short, lengthy, write, feature, include, in an/​the introduction, introduction to, formal, proper, do, give somebody, make, a letter of introduction, need no introduction, early, gradual, recent, delay, accelerate, facilitate, introduction into, excellent, helpful, informative, offer, provide, write, introduction tolarge, wide, narrow, cut, create, make, opening in, opening to, successful, chess, opening to, grand, formal, official, attend, celebrate, mark, ceremony, new, possible, clear, create, provide, give somebody, opening for, opening in, new, possible, clear, create, provide, give somebody, opening for, opening in
Antonymsconclusion, endingclosing, ending
Common mistakesUsing 'introduction' when referring to a summary., Confusing 'introduction' with 'presentation'., Not differentiating between 'introduction' (noun) and 'introduce' (verb).Confusing 'opening' with 'opener' which is a tool or person that opens., Using 'opening' without an object, e.g., saying 'the opening' instead of 'the opening of the door'., Misusing tense; not matching 'opening' with the correct verb form.
Usage notesUse 'introduction' when you first present a topic or person. Avoid in overly casual contexts where you might use 'intro' instead.Use 'opening' in contexts like starting an event, conversation, or presenting a door. It's neutral and can be used in formal or informal settings.

Frequently asked questions: Introduction vs Opening

What's the difference between Introduction and Opening?

Introduction: The first part of something that explains what it is. Opening: The act of starting something, like a door or a conversation.

Which is more advanced: Introduction and Opening?

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

Are Introduction and Opening the same CEFR level?

Introduction: A2, Opening: B2 on the CEFR scale.

What part of speech are Introduction and Opening?

Introduction: noun, Opening: noun.

Can you show an example of each?

Introduction: The introduction to the book was very engaging. Opening: The opening of the new library was attended by the mayor.

Can I use Introduction and Opening interchangeably?

Not always. Introduction and Opening 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.