Convict vs Criminal vs Inmate vs Prisoner

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

Convict

Top 5,000 (fairly common)C1verb

Criminal

Top 1,000 (very common)A2noun

Inmate

Top 5,000 (fairly common)C1noun

Prisoner

Top 2,000 (common)B1noun
Most common: Criminal
 ConvictCriminalInmatePrisoner
Pronunciation🇬🇧 /["/kənˈvɪkt/","/kənˈvɪkts/","/kənˈvɪktɪd/","/kənˈvɪktɪŋ/"]/🇺🇸 /["/kənˈvɪkt/","/kənˈvɪkts/","/kənˈvɪktɪd/","/kənˈvɪktɪŋ/"]/🇬🇧 /["/ˈkrɪmɪnl/"]/🇺🇸 /["/ˈkrɪmɪnl/"]/🇬🇧 /["/ˈɪnmeɪt/"]/🇺🇸 /["/ˈɪnmeɪt/"]/🇬🇧 /["/ˈprɪznə(r)/"]/🇺🇸 /["/ˈprɪznər/"]/
MeaningA person found guilty of a crime.A person who breaks the law.A person who is in prison.A person who is in jail.
ExampleHe was convicted of fraud.He was found guilty and became a criminal after his trial.The jail has 500 inmates.The prisoner escaped from the high-security facility yesterday.
RegisterNeutralNeutralNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)Top 5,000 (fairly common)Top 2,000 (common)
CEFR levelC1A2C1B1
Part of speechverbnounnounnoun
Collocationswrongfully, wrongly, rightly, for, of, ondangerous, violent, real, catch, convict, prosecutefellow, former, new, transfer, free, release, escape, serve something, population, among inmatevirtual, political, life, capture, take, detain, hold somebody prisoner, keep somebody prisoner, a prisoner of conscience, virtual, political, life, capture, take, detain, hold somebody prisoner, keep somebody prisoner, a prisoner of conscience
Antonymsacquit, freelaw-abiding citizen, innocentfree person, citizen, law-abiding citizenfree person, citizen
Common mistakesConfused with 'conviction', which refers to the judgment rather than the person., Using 'convict' as a noun incorrectly in plural form ('convicts') without proper context., Confusing the verb form ('to convict') with the noun form.'Criminal' used as an adjective without a noun (e.g., saying 'he is a criminal' without context), Confusing 'criminal' with 'criminalized' (which means made illegal), Using 'criminal' to describe someone who has made a mistake (which can be too strong)Confused with 'detainee' which can refer to someone held without charges., Using as a verb instead of a noun., Mixing up with 'convict' which implies a legal conviction.Confused with 'prison' (the place) and 'prisoner' (the person)., Used to describe someone arrested but not yet convicted.
Usage notesUsed in both formal and neutral contexts; appropriate in legal, crime-related discussions, but less so in casual conversations.Use 'criminal' in legal contexts or discussions about crime. Avoid using it casually to label someone without evidence of wrongdoing.Used specifically to refer to prisoners. Avoid using in formal contexts that require legal terminology.Use 'prisoner' to refer to someone who is legally confined in a prison. Avoid in casual conversations; use 'inmate' in more technical contexts.

Frequently asked questions: Convict vs Criminal vs Inmate vs Prisoner

What's the difference between Convict, Criminal, Inmate, and Prisoner?

Convict: A person found guilty of a crime. Criminal: A person who breaks the law. Inmate: A person who is in prison. Prisoner: A person who is in jail.

Which is more common: Convict, Criminal, Inmate, and Prisoner?

Criminal is the most common in everyday English.

Are Convict, Criminal, Inmate, and Prisoner the same CEFR level?

Convict: C1, Criminal: A2, Inmate: C1, Prisoner: B1 on the CEFR scale.

What part of speech are Convict, Criminal, Inmate, and Prisoner?

Convict: verb, Criminal: noun, Inmate: noun, Prisoner: noun.

Can you show an example of each?

Convict: He was convicted of fraud. Criminal: He was found guilty and became a criminal after his trial. Inmate: The jail has 500 inmates. Prisoner: The prisoner escaped from the high-security facility yesterday.

Can I use Convict, Criminal, Inmate, and Prisoner interchangeably?

Not always. Convict, Criminal, Inmate, and Prisoner 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.

Related comparisons