Companion vs The closest thing to a friend

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

Companion

Top 2,000 (common)C1noun

The closest thing to a friend

Top 5,000 (fairly common)
Most common: Companion
 CompanionThe closest thing to a friend
Pronunciation🇬🇧 /["/kəmˈpænjən/"]/🇺🇸 /["/kəmˈpænjən/"]/🇬🇧 //ðə ˈkləʊsɪst θɪŋ tʊ ə frɛnd//🇺🇸 //ðə ˈkloʊsɪst θɪŋ tə ə frɛnd//
MeaningA friend or someone you spend time with.Something that is similar to a friend.
ExampleShe brought her trusty companion on the hiking trip to explore the mountains together.My dog is the closest thing to a friend I have.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelC1-
Part of speechnoun
Collocationsagreeable, boon, charming, animal, companion for, companion to, agreeable, boon, charming, animal, companion for, companion toclosest thing to a partner, closest thing to family, closest thing to a mentor
Antonymsenemy, rival, loner-
Common mistakesUsing 'companion' to refer to a business associate instead of a personal friend., Confusing 'companion' with 'partner' in all contexts., Using 'companions' inappropriately in singular contexts.Confused with 'closest friend' which implies a stronger relationship., Omitting 'the' and saying 'closest thing to a friend' is less common., Using it in overly formal situations where direct friend references apply.
Usage notesCommonly used for pets, friends, or people who accompany you. Not often used in a formal context. Avoid using it to refer to someone you don't have a close relationship with.Use this phrase to describe someone or something that feels like a friend, but may not be. It's neutral, suitable for most contexts, but may feel less personal than directly calling someone a friend.

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The closest thing to a friend

Frequently asked questions: Companion vs The closest thing to a friend

What's the difference between Companion and The closest thing to a friend?

Companion: A friend or someone you spend time with. The closest thing to a friend: Something that is similar to a friend.

Which is more common: Companion and The closest thing to a friend?

Companion is the most common in everyday English.

Can you show an example of each?

Companion: She brought her trusty companion on the hiking trip to explore the mountains together. The closest thing to a friend: My dog is the closest thing to a friend I have.

Can I use Companion and The closest thing to a friend interchangeably?

Not always. Companion and The closest thing to a friend 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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