noun · 2 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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Received-Pronunciation:/ˈθɪəɹɪst/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˈθiːəɹəst/
General-American:/ˈθɪɹəst/
General-Australian:/ˈθɪəɹəst/
General-Australian:/ˈθiːəɹəst/
CMU ARPABET:TH IY1 ER0 IH0 S T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Someone who constructs theories, especially in the arts or sciences.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
someone who theorizes (especially in science or art)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Etymology tree Proto-Hellenic *tháwā Ancient Greek θέᾱ (théā) Proto-Indo-European *wer-der. Proto-Indo-European *h3ekw-der. Proto-Indo-European *weyd-der. Ancient Greek ὁράω (horáō) Ancient Greek *θεᾱ-(ϝ)ορός, *θεη-(ϝ)ορός (*theā-(w)orós, *theē-(w)orós) Ancient Greek θεωρός (theōrós) Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *-i-eh2 Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek θεωρία (theōría)bor. Late Latin theōrialbor. Middle French théoriebor. English theory Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Hellenic *-tās Ancient Greek -τής (-tḗs) Ancient Greek -ῐστής (-ĭstḗs)bor. Latin -istader. Old French -istebor. Middle English -ist English -ist English theorist From theory + -ist.
Across languages
Translations
42 source translations are retained for this English entry.
Arabic:
مُنَظِّر
(munaẓẓir)
— someone who constructs theories
Basque:
teorialari
— someone who constructs theories
Chinese Cantonese:
理論家 /理论家
(lei5 leon6 gaa1)
— someone who constructs theories
Chinese Mandarin:
理論家 /理论家
(lǐlùnjiā)
— someone who constructs theories
Czech:
teoretik
— someone who constructs theories
Czech:
teoretička
— someone who constructs theories
Danish:
teoretiker
— someone who constructs theories
Dutch:
theoreticus
— someone who constructs theories
Finnish:
teoreetikko
— someone who constructs theories
French:
théoricien
— someone who constructs theories
French:
théoricienne
— someone who constructs theories
German:
Theoretiker
— someone who constructs theories
German:
Theoretikerin
— someone who constructs theories
Ido:
teoriisto
— someone who constructs theories
Indonesian:
teoretikus
— someone who constructs theories
Irish:
teoiricí
— someone who constructs theories
Italian:
teorico
— someone who constructs theories
Kazakh:
теорияшыл
(teoriäşyl)
— someone who constructs theories
Korean:
이론가
(iron'ga)
— someone who constructs theories
Korean:
리론가
(riron'ga)
— someone who constructs theories
Marathi:
सैद्धांतिक
(saiddhāntik)
— someone who constructs theories
Marathi:
उपपत्तिकार
(upapattikār)
— someone who constructs theories
Norwegian Bokmål:
teoretiker
— someone who constructs theories
Norwegian Nynorsk:
teoretikar
— someone who constructs theories
Persian:
تئوریسین
(te'orisian)
— someone who constructs theories
Polish:
teoretyk
— someone who constructs theories
Polish:
teoretyczka
— someone who constructs theories
Portuguese:
teorista
— someone who constructs theories
Portuguese:
teórico
— someone who constructs theories
Romanian:
teoretician
— someone who constructs theories
Romanian:
teoreticiană
— someone who constructs theories
Russian:
теоре́тик
(teorétik)
— someone who constructs theories
Serbo-Croatian:
теоретичар
— someone who constructs theories
Serbo-Croatian:
теоретичарка
— someone who constructs theories
Serbo-Croatian:
teoretičar
— someone who constructs theories
Serbo-Croatian:
teoretičarka
— someone who constructs theories
Slovak:
teoretik
— someone who constructs theories
Slovene:
teoretik
— someone who constructs theories
Spanish:
teórico
— someone who constructs theories
Spanish:
teórica
— someone who constructs theories
Swedish:
teoretiker
— someone who constructs theories
Ukrainian:
теоре́тик
(teorétyk)
— someone who constructs theories