Think vs Wonder

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

Think

Top 1,000 (very common)A1verb

Wonder

Top 1,000 (very common)B1verb
 ThinkWonder
Pronunciation🇬🇧 /["/θɪŋk/","/θɪŋks/","/θɔːt/","/ˈθɪŋkɪŋ/"]/🇺🇸 /["/θɪŋk/","/θɪŋks/","/θɔːt/","/ˈθɪŋkɪŋ/"]/🇬🇧 /["/ˈwʌndə(r)/","/ˈwʌndəz/","/ˈwʌndəd/","/ˈwʌndərɪŋ/"]/🇺🇸 /["/ˈwʌndər/","/ˈwʌndərz/","/ˈwʌndərd/","/ˈwʌndərɪŋ/"]/
MeaningTo use your mind to understand or make decisions.to think about something you are curious about or amazed by
ExampleI think that we should go to the park today.I wonder what will happen in the next episode of the show.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1B1
Part of speechverbverb
Collocationsreally, personally, honestly, be inclined to, about, of, carefully, deeply, hard, dread to, hate to, shudder to, about, of, not think straight, think big, suddenly, ofidly, vaguely, briefly, begin to, start to, cannot help but, about, can’t help wondering, keep wondering
Antonymsforget, ignore, neglectdisdain, indifference, disbelief
Common mistakesConfused with 'think of' vs 'think about'., Using 'think' without an object when an object is needed., Mistaking past tense forms — it's 'thought', not 'thinked'.Confusing it with 'wondering' which is a different tense., Using 'wonder' as a noun instead of a verb., Omitting 'if' or 'whether' after 'wonder'.
Usage notesCommonly used in everyday conversation and informal writing. In more formal contexts, consider using 'consider' or 'reflect'. Avoid using it in overly simplistic contexts where more specific verbs can be employed.Used to express curiosity or disbelief. Appropriate for both spoken and written contexts, but avoid in very formal writing or situations.

Frequently asked questions: Think vs Wonder

What's the difference between Think and Wonder?

Think: To use your mind to understand or make decisions. Wonder: to think about something you are curious about or amazed by

Are Think and Wonder the same CEFR level?

Think: A1, Wonder: B1 on the CEFR scale.

Can I use Think and Wonder interchangeably?

Not always. Think and Wonder 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.