Alone vs Isolated vs Solitary

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

Alone

Top 1,000 (very common)A2

Isolated

Top 2,000 (common)B2adjective

Solitary

Top 3,000 (common)C1adjective
Most common: Alone
 AloneIsolatedSolitary
Pronunciation🇬🇧 /["/əˈləʊn/"]/🇺🇸 /["/əˈləʊn/"]/🇬🇧 /["/ˈaɪsəleɪtɪd/"]/🇺🇸 /["/ˈaɪsəleɪtɪd/"]/🇬🇧 //ˈsɒl.ɪ.tər.i//🇺🇸 //ˈsɑː.lɪ.tɛr.i//
Meaningby yourself; not with anyone elsealone and away from othersBeing alone or without companions.
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 preferred a solitary life in the mountains.
RegisterNeutralNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)Top 3,000 (common)
CEFR levelA2B2C1
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, fromsolitary confinement, solitary journey, solitary lifestyle
Antonymstogether, accompanied, with othersconnected, integrated, includedsocial, accompanied, gregarious
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.Confusing with 'solo', which often implies a choice rather than loneliness., Using inappropriately to describe a group context., Overusing in social contexts where 'alone' is more appropriate.
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.Use 'solitary' to describe situations where someone or something is alone. It sounds formal; avoid it in casual conversations.

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Alone

Frequently asked questions: Alone vs Isolated vs Solitary

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

Alone: by yourself; not with anyone else Isolated: alone and away from others Solitary: Being alone or without companions.

Which is more common: Alone, Isolated, and Solitary?

Alone is the most common in everyday English.

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

Solitary is the highest level, at C1, on the CEFR scale.

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

Alone: A2, Isolated: B2, Solitary: C1 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. Solitary: He preferred a solitary life in the mountains.

Can I use Alone, Isolated, and Solitary interchangeably?

Not always. Alone, Isolated, and Solitary 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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