Synonyms in Detail: in and inside Usage & Differences

What context can I use each word in?

Learn when and how to use these words with these examples!

in

Example

The cat is in the box. [in: preposition]

Example

I will finish this task in an hour. [in: adverb]

Example

I am in the meeting right now. [in: preposition]

inside

Example

The keys are inside the drawer. [inside: preposition]

Example

It's too cold to play outside, let's stay inside. [inside: adverb]

Example

I work inside the company's marketing department. [inside: preposition]

Good things to know

Which word is more common?

In is much more commonly used than inside in everyday language. In is a basic preposition and adverb that is used frequently in various contexts, while inside is more specific and formal.

What’s the difference in the tone of formality between in and inside?

Inside is generally more formal than in. It is often used in professional or academic settings, while in is used in both formal and informal contexts.

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