By any chance vs Possibly

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

By any chance

Beyond 10,000 (less common)

Possibly

Top 2,000 (common)B1adverb
Most common: Possibly
 By any chancePossibly
Pronunciation🇬🇧 //baɪ ˈɛni ʧɑːns//🇺🇸 //baɪ ˈɛni tʃæns//🇬🇧 /["/ˈpɒsəbli/"]/🇺🇸 /["/ˈpɑːsəbli/"]/
MeaningUsed to ask if something might be possible.maybe or maybe not; not sure
ExampleBy any chance, could you help me with this problem?It could possibly rain tomorrow, so take an umbrella.
RegisterNeutralNeutral
How commonBeyond 10,000 (less common)Top 2,000 (common)
CEFR level-B1
Part of speechadverb
Collocationsask by any chance, wonder by any chance, know by any chancepossibly true, possibly available, possibly dangerous
Antonyms-definitely, certainly
Common mistakesUsing 'by any chances' instead of 'by any chance'., Not using it in polite questions., Confusing it with similar phrases like 'by chance'.'Possibly' is often confused with 'probably'—they mean different things., Learners may omit 'possibly' in sentences where it's needed., Some learners incorrectly use 'possibly' with the gerund form (e.g., 'possibly going').
Usage notesThis phrase is often used in polite requests or inquiries. It is appropriate in both formal and informal contexts.Use 'possibly' when you want to express uncertainty or doubt about something. It's generally neutral, suitable for both spoken and written contexts, but avoid it in very formal writing where you might prefer words like 'potentially'.

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By any chance
Possibly

Frequently asked questions: By any chance vs Possibly

What's the difference between By any chance and Possibly?

By any chance: Used to ask if something might be possible. Possibly: maybe or maybe not; not sure

Which is more common: By any chance and Possibly?

Possibly is the most common in everyday English.

Can you show an example of each?

By any chance: By any chance, could you help me with this problem? Possibly: It could possibly rain tomorrow, so take an umbrella.

Can I use By any chance and Possibly interchangeably?

Not always. By any chance and Possibly 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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