Directory vs Register

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

Directory

Top 2,000 (common)C1noun

Register

Top 2,000 (common)B2verb
 DirectoryRegister
Pronunciation🇬🇧 /["/dəˈrektəri//daɪˈrektəri/"]/🇺🇸 /["/dəˈrektəri//daɪˈrektəri/"]/🇬🇧 /["/ˈredʒɪstə(r)/","/ˈredʒɪstəz/","/ˈredʒɪstəd/","/ˈredʒɪstərɪŋ/"]/🇺🇸 /["/ˈredʒɪstər/","/ˈredʒɪstərz/","/ˈredʒɪstərd/","/ˈredʒɪstərɪŋ/"]/
MeaningA list or collection of information about things, like names, addresses, or files.A way of speaking or writing that fits a situation.
ExampleThe directory on the computer contains all the files related to the project.You need to register for the conference in advance to secure your spot.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1B2
Part of speechnounverb
Collocationsbusiness, telephone, trade, check, consult, compile, in a/​the directory, directory of, business, telephone, trade, check, consult, compile, in a/​the directory, directory offormally, officially, properly, be required to, have to, must, as, at, for, newly registered, barely, hardly, dimly, fail to, not seem to, begin to
Antonymsfile, documentcolloquial, informal
Common mistakesMixing it up with 'directory' vs 'directly'., Using 'direct' instead of 'directory' when referring to a list., Confusing the spelling with 'directrey'.Confused with 'registrar', which is a person who keeps records., Using 'register' to mean 'register for an event', which is different., Misunderstanding the term as only relating to written language, ignoring spoken forms.
Usage notesUsed in contexts like business, computers, and phone listings. It is appropriate when talking about organization systems but may sound overly formal in casual conversations.Use 'register' when discussing levels of formality in language. Appropriate in both academic and casual discussions. Avoid using it in purely informal or slang contexts.

Frequently asked questions: Directory vs Register

What's the difference between Directory and Register?

Directory: A list or collection of information about things, like names, addresses, or files. Register: A way of speaking or writing that fits a situation.

Which is more advanced: Directory and Register?

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

Are Directory and Register the same CEFR level?

Directory: C1, Register: B2 on the CEFR scale.

What part of speech are Directory and Register?

Directory: noun, Register: verb.

Can you show an example of each?

Directory: The directory on the computer contains all the files related to the project. Register: You need to register for the conference in advance to secure your spot.

Can I use Directory and Register interchangeably?

Not always. Directory and Register 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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