Scan vs Skim

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

Scan

Top 2,000 (common)B1verb

Skim

Top 2,000 (common)B1verb
 ScanSkim
Pronunciation🇬🇧 /["/skæn/","/skænz/","/skænd/","/ˈskænɪŋ/"]/🇺🇸 /["/skæn/","/skænz/","/skænd/","/ˈskænɪŋ/"]/🇬🇧 //skɪm//🇺🇸 //skɪm//
MeaningTo look at something quickly and carefully.To read something quickly to get the main idea.
ExampleI need to scan these documents before sending them.I like to skim the newspaper every morning to catch up on the news.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB1B1
Part of speechverbverb
Collocationscarefully, anxiously, frantically, for, across, around, carefully, anxiously, frantically, for, across, around, automatically, digitally, electronicallyskim the surface, skim through, skim a document
Antonymsignore, overlookdeep read, study, analyze
Common mistakesUsing 'scan' with the wrong preposition, like 'scan for' when it should be just 'scan.', Confusing 'scan' with 'skan,' which is not a word., Overusing 'scan' in contexts where 'read' or 'check' would be more appropriate.Using 'skim' with an object that requires detailed attention., Confusing 'skim' with 'scan', which implies searching for specific information.
Usage notesUse 'scan' when quickly checking something for important information. Avoid using it in overly formal contexts; instead, say 'examine' or 'inspect.'Used usually when you want to quickly understand a text instead of reading it in detail. Not appropriate for important documents where every detail matters.

See it in real clips

Scan

Frequently asked questions: Scan vs Skim

What's the difference between Scan and Skim?

Scan: To look at something quickly and carefully. Skim: To read something quickly to get the main idea.

Are Scan and Skim the same CEFR level?

Scan: B1, Skim: B1 on the CEFR scale.

What part of speech are Scan and Skim?

Scan: verb, Skim: verb.

Can you show an example of each?

Scan: I need to scan these documents before sending them. Skim: I like to skim the newspaper every morning to catch up on the news.

Can I use Scan and Skim interchangeably?

Not always. Scan and Skim 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.