noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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UK:/dɪˈsaɪdə(ɹ)/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -aɪdə(ɹ)
CMU ARPABET:D IH2 S AY1 D ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A person, divinity, or authoritative text which decides.
Definition source: English Wiktionary via Wiktextract
Qualifier: question; etc; question; etc
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An event or action which decides the outcome of a contested matter.
Definition source: English Wiktionary via Wiktextract
Usage: Australia, UK
Topics: hobbies, lifestyle, sports
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A Turing machine that halts regardless of its input.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree English decide Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English decider From decide + -er.
Across languages
Translations
6 source translations are retained for this English entry.
German:
Entscheider
— a person, divinity, or authoritative text which decides
Portuguese:
decisor
— a person, divinity, or authoritative text which decides
Spanish:
decididor
— a person, divinity, or authoritative text which decides
German:
Entscheidungsspiel
— an event or action which decides the outcome of a contested matter
German:
Entscheidungskampf
— an event or action which decides the outcome of a contested matter
German:
entscheidender Treffer
— an event or action which decides the outcome of a contested matter