Briefly vs Just for a second

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

Briefly

Top 2,000 (common)B2adverb

Just for a second

Top 2,000 (common)
 BrieflyJust for a second
Pronunciation🇬🇧 /["/ˈbriːfli/"]/🇺🇸 /["/ˈbriːfli/"]/🇬🇧 //dʒʌst fə ə ˈsɛkənd//🇺🇸 //dʒʌst fɔr ə ˈsɛkənd//
MeaningFor a short time or in a few words.Only for a very short time.
ExampleHe had spoken to Emma **only briefly**.Can you hold this just for a second?
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechadverb
Collocationsexplain briefly, discuss briefly, mention brieflywait just for a second, pause just for a second, stop just for a second, think just for a second, look just for a second
Antonymslengthily, extensively-
Common mistakesUsing 'brief' instead of 'briefly' (confusing the adjective and adverb)., Saying 'briefly discuss' when 'discuss briefly' is more natural., Misplacing it in a sentence so that it doesn't clearly modify the verb.Saying 'just for seconds' instead of 'just for a second'., Using it in formal contexts where brevity is less common., Misplacing the phrase in sentences, making it unclear.
Usage notesUse 'briefly' when you want to indicate that something is short or to the point. It's suitable for formal and informal contexts. Avoid it when you need to describe something in detail.Used in informal conversations to indicate a brief duration. Avoid in very formal writing or speeches.

Frequently asked questions: Briefly vs Just for a second

What's the difference between Briefly and Just for a second?

Briefly: For a short time or in a few words. Just for a second: Only for a very short time.

Can you show an example of each?

Briefly: He had spoken to Emma **only briefly**. Just for a second: Can you hold this just for a second?

Can I use Briefly and Just for a second interchangeably?

Not always. Briefly and Just for a second 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.

Related comparisons