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conviction

/kun-VIK-shun/ noun

1A firmly held belief; also a court's formal finding that someone is guilty

Conviction Meaning: Firm Belief and Guilty Verdict

People and feelingsNounLawUpdated 26 Oct 2026

The conviction meaning depends on context: it can be a strong, settled belief that something is true or right, or it can be the formal decision of a court that a person committed the offence charged. Someone who speaks with conviction sounds certain; someone with a conviction on their record was found guilty.

A third, spiritual sense appears in Christian teaching and Bible translations. This page gives a clear conviction definition for all three uses, with examples, common phrases and the link between them.

Entry at a glance

  • Meaning

    (1) A firm belief; (2) a finding or verdict of guilt; (3) in faith, an inner awareness of wrongdoing or certainty
  • Part of speech

    Noun
  • Pronunciation

    kun-VIK-shun
  • Related words

    convict (verb and noun), convince, convinced, convicted
  • Origin

    Late Latin convictio, proof, from convincere, to overcome or prove wrong; legal sense in English from the 1400s
  • Opposite

    doubt, uncertainty; in law, acquittal
  • Register

    Neutral to formal

Conviction meaning: the three senses

  1. A firmly held belief. An opinion or principle you hold strongly and are unlikely to drop. Her conviction that every child deserves a library card shaped her career. The uncountable form means certainty in manner: he spoke with conviction.
  2. A legal finding of guilt. The result when a judge or jury decides, after a trial or a guilty plea, that someone committed an offence. The conviction was overturned on appeal.
  3. A spiritual awareness. In Christian language, a deep sense of having done wrong, or a firm inner assurance about faith.

Whichever way you define conviction, all three senses share an idea of being decisively persuaded or proven, which comes from the word's Latin root.

Example sentences

  • Volunteers at the shelter share a conviction that no one should sleep outside in winter.
  • The defence lawyer said the conviction relied on one unreliable witness.
  • He has no previous convictions, which the judge took into account.
  • She argued her case with such conviction that the committee changed its vote.
  • Changing careers at fifty took courage and conviction.

At a family dinner, your aunt calmly explains why she has refused to eat meat for twenty years, even at weddings.

That steady, long-held belief is a conviction. She is not just stating a preference; she lives by it.

Conviction meaning in the Bible

Christian writers and Bible translators use the word in two main ways. First, several modern English translations of Hebrews 11:1 describe faith as the conviction of things not seen, using the word for a settled inner certainty. The Greek word there, elenchos, carries the idea of proof or being convinced.

Second, believers speak of the conviction of sin: a strong, sometimes uncomfortable awareness that one has done wrong, which leads toward repentance. Many Christians connect this with the passage in John 16 where the Holy Spirit is said to convict the world about sin. Pastors often contrast conviction, which points a person toward change and redemption, with condemnation, which only accuses. Different traditions explain this experience in their own ways. See also faith and grace.

Conviction, convinced and convict

WordPart of speechMeaning
convinceverbto persuade someone something is true
convincedadjectivefully persuaded, sure
convictverb (kun-VIKT)to declare someone guilty in court
convictnoun (KON-vikt)a person found guilty, especially one in prison
convictionnouna firm belief, or the finding of guilt

This table is a handy definition of conviction and its relatives side by side. Note the stress shift: the verb convict is stressed on the second syllable, the noun on the first.

Origin and history

Its source is Late Latin convictio, proof or refutation, from convincere, to overcome decisively or prove wrong, built on vincere, to conquer. English used conviction for proving someone guilty in the mid-1400s. The sense of being convinced appeared in the 1600s; the firm-belief sense, held as proven, is recorded in the 1800s. So the legal meaning actually came first, and the belief meaning grew out of it. More personal-quality words live in people and feelings.

Frequently asked questions

What does having conviction mean?

It means you believe something strongly and act on it. A person with conviction is not easily talked out of their position.

Is a conviction the same as being charged?

No. Being charged means you are formally accused of a crime. A conviction comes only if a court later finds you guilty or you plead guilty.

What does conviction mean in the Bible?

It usually refers to a strong inner awareness of sin that moves a person to repent, or to a firm assurance of faith. The word appears in several translations of Hebrews 11:1 for being certain of what cannot be seen.

What does the courage of your convictions mean?

It means acting on what you believe even when it is unpopular or risky. If you have the courage of your convictions, you do not just hold beliefs, you stand by them.

Which word is the opposite of a conviction in court?

An acquittal, which is a finding that the person is not guilty. A case can also end in a dismissal, where charges are dropped before a verdict.

Can conviction be plural?

Yes. You can have strong political or moral convictions, and a person can have several criminal convictions. When it means certainty of manner, as in speak with conviction, it stays singular.