Either way vs In any case vs Regardless

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

Either way

Top 3,000 (common)

In any case

Top 2,000 (common)

Regardless

Top 2,000 (common)C1adverb
 Either wayIn any caseRegardless
Pronunciation🇬🇧 //ˈiːðər weɪ//🇺🇸 //ˈiːðər weɪ//🇬🇧 //ɪn ˈɛnɪ keɪs//🇺🇸 //ɪn ˈɛni keɪs//🇬🇧 /["/rɪˈɡɑːdləs/"]/🇺🇸 /["/rɪˈɡɑːrdləs/"]/
MeaningNo matter what choice is made.No matter what happensNo matter what; not paying attention to something.
ExampleWe'll go to the park today; either way, we should have fun.We might not have enough time, but in any case, we should try to finish.The weather was terrible but we **carried on regardless**.
RegisterNeutralNeutralNeutral
How commonTop 3,000 (common)Top 2,000 (common)Top 2,000 (common)
CEFR level--C1
Part of speechadverb
Collocationseither way decision, either way approach, either way situationin any case, in any event, in any situation, used in any circumstanceregardless of the consequences, regardless of the situation, regardless of age
Antonyms--considering, mindful, concerned
Common mistakesUsed incorrectly in formal writing., Confused with 'either' as a standalone word., Not used in situations needing clear choices.Used too formally in casual conversations., Confused with 'in any event' which has a slightly different nuance.'Irregardless' is incorrect; the correct form is 'regardless'., Forgetting to use it with 'of' (e.g., say 'regardless of the circumstances')., Using it in overly formal contexts where simpler language would suffice.
Usage notesUsed to indicate that the outcome is the same regardless of the decision made. It is appropriate in both spoken and written contexts, often in informal conversations.Commonly used to signal a conclusion or transition in conversation. Suitable for both spoken and written English; not overly formal.Use 'regardless' to indicate that an action or decision is not influenced by other factors. It's often used in both spoken and written English. However, be careful not to confuse it with 'irregardless', which is nonstandard.

See it in real clips

Either way
In any case

Frequently asked questions: Either way vs In any case vs Regardless

What's the difference between Either way, In any case, and Regardless?

Either way: No matter what choice is made. In any case: No matter what happens Regardless: No matter what; not paying attention to something.

Can you show an example of each?

Either way: We'll go to the park today; either way, we should have fun. In any case: We might not have enough time, but in any case, we should try to finish. Regardless: The weather was terrible but we **carried on regardless**.

Can I use Either way, In any case, and Regardless interchangeably?

Not always. Either way, In any case, and Regardless 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.