Already vs Previously

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

Already

Top 1,000 (very common)A2adverb

Previously

Top 2,000 (common)B1adverb
Most common: Already
 AlreadyPreviously
Pronunciation🇬🇧 /["/ɔːlˈredi/"]/🇺🇸 /["/ɔːlˈredi/"]/🇬🇧 /["/ˈpriːviəsli/"]/🇺🇸 /["/ˈpriːviəsli/"]/
MeaningBefore now; by this time.Before now; earlier.
Example‘Lunch?’ ‘No thanks, I've already eaten.’The building had previously been used as a hotel.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelA2B1
Part of speechadverbadverb
Collocationsalready completed, already know, already donepreviously mentioned, previously discussed, previously stated, previously introduced, previously reported
Antonymsnot yetsubsequently, afterwards
Common mistakesUsing 'already' with future tense incorrectly., Confusing 'already' with 'yet' when asking questions., Placing 'already' at the end of a sentence incorrectly.Using 'previous' instead of 'previously' in a sentence., Confusing 'previously' with 'currently' which means now., Misplacing 'previously' in a sentence and changing the meaning.
Usage notesUse 'already' to indicate something has happened sooner than expected. It's appropriate in both spoken and written English, though more common in informal settings. Avoid using it in negative statements without context which can mislead timing.Use 'previously' to connect past events with the present. It's suitable for both spoken and written contexts but may sound too formal in casual conversations.

Frequently asked questions: Already vs Previously

What's the difference between Already and Previously?

Already: Before now; by this time. Previously: Before now; earlier.

Which is more common: Already and Previously?

Already is the most common in everyday English.

Are Already and Previously the same CEFR level?

Already: A2, Previously: B1 on the CEFR scale.

Can I use Already and Previously interchangeably?

Not always. Already and Previously 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.