Alone vs Isolated vs Single

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

Alone

Top 1,000 (very common)A2

Isolated

Top 2,000 (common)B2adjective

Single

Top 1,000 (very common)A2adjective
 AloneIsolatedSingle
Pronunciation🇬🇧 /["/əˈləʊn/"]/🇺🇸 /["/əˈləʊn/"]/🇬🇧 /["/ˈaɪsəleɪtɪd/"]/🇺🇸 /["/ˈaɪsəleɪtɪd/"]/🇬🇧 /["/ˈsɪŋɡl/"]/🇺🇸 /["/ˈsɪŋɡl/"]/
Meaningby yourself; not with anyone elsealone and away from othersOne person or thing.
ExampleI like to spend some time alone to think about my day.The village was isolated by the heavy snowfall, cutting off all roads.He prefers to live a single life without any commitments.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelA2B2A2
Part of speechadjectiveadjective
Collocationsbe, sit, stand, very much, all, completely, with, be, sit, stand, very much, all, completely, with, be, sit, stand, very much, all, completely, withappear, be, feel, extremely, fairly, very, from, appear, be, feel, extremely, fairly, very, fromsingle person, single item, single ticket, single life, single parent
Antonymstogether, accompanied, with othersconnected, integrated, includedmultiple, coupled, together
Common mistakes'alone' vs 'lonely', confused when feeling lonely, Using 'aloneness' as a noun incorrectly, Saying 'I am alone' when needing to report being safe; prefer 'I am okay.'Confused with 'isolated' vs 'isolation' in context., Using 'isolated' to describe only physical space, not emotional situations., Incorrectly applying it to describe crowds instead of individuals.Mixing up with 'singly' which has a different meaning., Using 'single' when referring to multiple items or people., Confusing 'single' with 'alone', which has a different connotation.
Usage notesUse 'alone' when referring to a state of being by oneself. It can be used positively (enjoying solitude) or negatively (feeling lonely). Avoid using it in overly formal contexts where 'solitary' might be preferred.Use 'isolated' to describe someone or something that is separated from others. Suitable in both formal and informal contexts, but avoid when discussing social gatherings or closeness.Used to describe someone not in a relationship. In formal contexts, it can refer to a single item. Avoid using in very casual or slang conversations where 'solo' might be more suitable.

See it in real clips

Alone
Single

Frequently asked questions: Alone vs Isolated vs Single

What's the difference between Alone, Isolated, and Single?

Alone: by yourself; not with anyone else Isolated: alone and away from others Single: One person or thing.

Which is more advanced: Alone, Isolated, and Single?

Isolated is the highest level, at B2, on the CEFR scale.

Are Alone, Isolated, and Single the same CEFR level?

Alone: A2, Isolated: B2, Single: A2 on the CEFR scale.

Can you show an example of each?

Alone: I like to spend some time alone to think about my day. Isolated: The village was isolated by the heavy snowfall, cutting off all roads. Single: He prefers to live a single life without any commitments.

Can I use Alone, Isolated, and Single interchangeably?

Not always. Alone, Isolated, and Single 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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