Approximately vs In about __ seconds

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

Approximately

Top 2,000 (common)B1adverb

In about __ seconds

Top 2,000 (common)
 ApproximatelyIn about __ seconds
Pronunciation🇬🇧 /["/əˈprɒksɪmətli/"]/🇺🇸 /["/əˈprɑːksɪmətli/"]/🇬🇧 //ɪn əˈbaʊt ˈsɛkəndz//🇺🇸 //ɪn əˈbaʊt ˈsɛkəndz//
MeaningAbout or close to a certain amount.Approximately how long something takes in seconds.
ExampleThe journey took approximately seven hours.The cake will be ready in about 20 seconds.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB1-
Part of speechadverb
Collocationsapproximately equal to, approximately 50%, approximately three hoursin about five seconds, in about ten seconds, in about thirty seconds
Antonymsexactly, precisely-
Common mistakesUsing 'approximately' with a precise number (e.g., saying 'approximately 2000' instead of 'about 2000')., Confusing 'approximately' with 'exactly'., Omitting 'approximately' when it’s needed for clarity in estimates.Omitting 'about' makes it sound too precise., Using 'in' with a unit other than seconds, such as minutes., Confusing similar expressions like 'in a few seconds' and 'in about seconds'.
Usage notesUse 'approximately' when giving an estimate. It's appropriate in academic and professional contexts, but may sound overly formal in casual conversations.Use 'in about __ seconds' when estimating time. It's suitable for casual conversations as well as formal contexts.

See it in real clips

Approximately
In about __ seconds

Frequently asked questions: Approximately vs In about __ seconds

What's the difference between Approximately and In about __ seconds?

Approximately: About or close to a certain amount. In about __ seconds: Approximately how long something takes in seconds.

Can you show an example of each?

Approximately: The journey took approximately seven hours. In about __ seconds: The cake will be ready in about 20 seconds.

Can I use Approximately and In about __ seconds interchangeably?

Not always. Approximately and In about __ seconds 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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