Inform vs Tellin'

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

Inform

Top 2,000 (common)B2verb

Tellin'

InformalTop 2,000 (common)
Most formal: Inform
 InformTellin'
Pronunciation🇬🇧 /["/ɪnˈfɔːm/","/ɪnˈfɔːmz/","/ɪnˈfɔːmd/","/ɪnˈfɔːmɪŋ/"]/🇺🇸 /["/ɪnˈfɔːrm/","/ɪnˈfɔːrmz/","/ɪnˈfɔːrmd/","/ɪnˈfɔːrmɪŋ/"]/🇬🇧 //tɛl//🇺🇸 //tɛl//
MeaningTo tell someone something important or give them information.To speak or inform someone about something.
ExamplePlease inform me of any updates regarding the project timeline.Can you tell me where the nearest station is?
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechverb
Collocationsmerely, simply, regularly, be pleased to, regret to, be required to, about, oftell a story, tell the truth, tell someone a secret, tell the time, tell jokes
Antonymsconceal, withhold, hideconceal, hide, suppress
Common mistakesConfused with 'informant' — 'inform' is a verb, not a noun., Using 'inform' without an object — always say who you are informing., Misusing tenses — ensure correct form like 'informed' for the past.Confused with 'say' - 'tell' needs an object., Using 'tell' without specifying the listener., Incorrectly using 'to tell' instead of 'telling'.
Usage notesUse 'inform' in formal contexts, like writing or business. Avoid in casual conversations where 'tell' is more appropriate.Use 'tell' in casual conversations. It’s not suitable for formal writing. Avoid overusing it in storytelling, as it can sound dull.

See it in real clips

Inform
Tellin'

Frequently asked questions: Inform vs Tellin'

What's the difference between Inform and Tellin'?

Inform: To tell someone something important or give them information. Tellin': To speak or inform someone about something.

Which is more formal: Inform and Tellin'?

Inform is the most formal of these.

Can you show an example of each?

Inform: Please inform me of any updates regarding the project timeline. Tellin': Can you tell me where the nearest station is?

Can I use Inform and Tellin' interchangeably?

Not always. Inform and Tellin' 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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