Standard Lemma guide

investigator

noun · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ɪnˈvɛs.tɪˌɡeɪ̯.təː/
  • Received-Pronunciation: [ɪnˈvɛs.thɪˌɡeɪ̯.thəː]
  • Southern-England: Recorded audio is listed in the source snapshot.
  • /ɪnˈvɛs.tɪˌɡeɪ̯.tɚ/ without t-flapping
  • [ɪnˈvɛs.thɪˌɡeɪ̯.thɚ] ~ [ɪnˈvɛs.thɪˌɡeɪ̯.thɹ̩] without t-flapping
  • /ɪnˈvɛs.tɪˌɡeɪ̯.ɾɚ/ t-flapping
  • [ɪnˈvɛs.thɪˌɡeɪ̯.ɾɚ] ~ [ɪnˈvɛs.thɪˌɡeɪ̯.ɾɹ̩] t-flapping
  • CMU ARPABET: IH2 N V EH1 S T AH0 G EY2 T ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

One who investigates.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: detective, dick, gumshoe, Inv., indagator, private eye, sleuth

Antonyms: none provided

2

noun

Meaning 2

a police officer who investigates crimes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: detective, tec, police detective

Antonyms: none provided

Broader terms: policeman, police officer, officer

Narrower terms: dick, gumshoe, hawkshaw, plainclothesman, tracer

3

noun

Meaning 3

someone who investigates

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: expert

Narrower terms: adjuster, adjustor, claims adjuster, claims adjustor, claim agent, coroner, medical examiner, detective, examiner, inspector, ombudsman, Wiesenthal, Samuel Wiesenthal

4

noun

Meaning 4

a scientist who devotes himself to doing research

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: research worker, researcher

Antonyms: none provided

Broader terms: scientist

Narrower terms: experimenter, boffin, fieldworker, postdoc, post doc

History

Etymology

Attested in the mid‐16th century; from Latin investigator, from investigare, equivalent to investigate + -or.

Across languages

Translations

118 source translations are retained for this English entry.

  • Albanian: hetues — one who investigates
  • Arabic: مُحَقِّق (muḥaqqiq) — one who investigates
  • Arabic: مُحَقِّقَة (muḥaqqiqa) — one who investigates
  • Arabic: مُفَتِّش (mufattiš) — one who investigates
  • Arabic: مُفَتِّشَة (mufattiša) — one who investigates
  • Armenian: հետազոտող (hetazotoġ) — one who investigates
  • Armenian: ուսումնասիրող (usumnasiroġ) — one who investigates
  • Armenian: քննիչ (kʻnničʻ) — one who investigates
  • Azerbaijani: müstəntiq — one who investigates
  • Basque: ikerlari — one who investigates
  • Basque: ikertzaile — one who investigates
  • Basque: aztertzaile — one who investigates
  • Belarusian: сле́дчы (sljédčy) — one who investigates
  • Belarusian: сле́дчая (sljédčaja) — one who investigates
  • Belarusian: сьле́дчы (sʹljédčy) — one who investigates
  • Belarusian: сьле́дчая (sʹljédčaja) — one who investigates
  • Bulgarian: сле́довател (slédovatel) — one who investigates
  • Bulgarian: сле́дователка (slédovatelka) — one who investigates
  • Bulgarian: изсле́довател (izslédovatel) — one who investigates
  • Bulgarian: изсле́дователка (izslédovatelka) — one who investigates
  • Catalan: investigador — one who investigates
  • Chinese Mandarin: 調查者 /调查者 (diàocházhě) — one who investigates
  • Czech: vyšetřovatel — one who investigates
  • Czech: vyšetřovatelka — one who investigates
  • Danish: efterforsker — one who investigates
  • Dutch: onderzoeker — one who investigates
  • Estonian: uurija — one who investigates
  • Finnish: tutkija — one who investigates
  • Finnish: selvittäjä — one who investigates
  • Finnish: selvitysmies — one who investigates
  • French: enquêteur — one who investigates
  • French: enquêtrice — one who investigates
  • French: investigateur — one who investigates
  • French: investigatrice — one who investigates
  • Galician: investigador — one who investigates
  • Georgian: გამომძიებელი (gamomʒiebeli) — one who investigates
  • German: Ermittler — one who investigates
  • German: Ermittlerin — one who investigates
  • German: Fahnder — one who investigates
  • German: Fahnderin — one who investigates
  • Gothic: 𐍃𐍉𐌺𐌰𐍂𐌴𐌹𐍃 (sōkareis) — one who investigates
  • Greek: διερευνητής (dierevnitís) — one who investigates
  • Greek: διερευνήτρια (dierevnítria) — one who investigates
  • Hebrew: חוֹקֵר (khokér) — one who investigates
  • Hindi: जाँचकर्ता (jā̃ckartā) — one who investigates
  • Hindi: अन्वेषक (anveṣak) — one who investigates
  • Hungarian: nyomozó — one who investigates
  • Icelandic: rannsakandi — one who investigates
  • Indonesian: penyidik — one who investigates
  • Indonesian: penyelidik — one who investigates
  • Irish: fiosraitheoir — one who investigates
  • Italian: investigatore — one who investigates
  • Italian: investigatrice — one who investigates
  • Japanese: 捜査員 (sōsain) — one who investigates
  • Kazakh: тергеуші (tergeuşı) — one who investigates
  • Khmer: វិចារកៈ (vicaaraʼkaʼ) — one who investigates
  • Korean: 수사관 (susagwan) — one who investigates
  • Korean: 조사관 (josagwan) — one who investigates
  • Kyrgyz: тергөөчү (tergööcü) — one who investigates
  • Latin: inquīsītor — one who investigates
  • Latin: indāgātor — one who investigates
  • Latin: indāgātrix — one who investigates
  • Latin: investīgātor — one who investigates
  • Latvian: izmeklētājs — one who investigates
  • Lithuanian: tardytojas — one who investigates
  • Macedonian: истра́жител (istrážitel) — one who investigates
  • Macedonian: и́следник (íslednik) — one who investigates
  • Macedonian: истра́жувач (istrážuvač) — one who investigates
  • Malay: penyiasat — one who investigates
  • Maltese: investigatur — one who investigates
  • Māori: kaimātai — one who investigates
  • Māori: kaitūhura — one who investigates
  • Māori: kairapuhara — one who investigates
  • Mongolian: мөрдөгч (mördögč) — one who investigates
  • Norwegian Bokmål: etterforsker — one who investigates
  • Iranian Persian: کارْآگاه (kâr'âgâh) — one who investigates
  • Iranian Persian: مُفَتِّش (mofatteš) — one who investigates
  • Portuguese: investigador — one who investigates
  • Portuguese: investigadora — one who investigates
  • Romanian: investigator — one who investigates
  • Romanian: anchetator — one who investigates
  • Russian: сле́дователь (slédovatelʹ) — one who investigates
  • Russian: сле́довательница (slédovatelʹnica) — one who investigates
  • Russian: рассле́дователь (rasslédovatelʹ) — one who investigates
  • Russian: рассле́довательница (rasslédovatelʹnica) — one who investigates
  • Serbo-Croatian: истражѝва̄ч — one who investigates
  • Serbo-Croatian: истра̀житељ — one who investigates
  • Serbo-Croatian: ѝследнӣк — one who investigates
  • Serbo-Croatian: ѝсљеднӣк — one who investigates
  • Serbo-Croatian: istražìvāč — one who investigates
  • Serbo-Croatian: istràžitelj — one who investigates
  • Serbo-Croatian: ìslednīk — one who investigates
  • Serbo-Croatian: ìsljednīk — one who investigates
  • Slovak: vyšetrovateľ — one who investigates
  • Slovak: vyšetrovateľka — one who investigates
  • Slovene: preiskovalec — one who investigates
  • Spanish: investigador — one who investigates
  • Spanish: investigadora — one who investigates
  • Swahili: mchunguzi — one who investigates
  • Swedish: utredare — one who investigates
  • Tajik: муфаттиш (mufattiš) — one who investigates
  • Tajik: тергавчӣ (tergavči) — one who investigates
  • Tajik: корогоҳ (korogoh) — one who investigates
  • Thai: ผู้สอบสวน (pûu-sɔ̀ɔp-sǔuan) — one who investigates
  • Turkish: araştırıcı — one who investigates
  • Turkish: araştırmacı — one who investigates
  • Turkish: soruşturmacı — one who investigates
  • Turkmen: derňewçi — one who investigates
  • Turkmen: sülçi — one who investigates
  • Turkmen: barlagçy — one who investigates
  • Ukrainian: слі́дчий (slídčyj) — one who investigates
  • Ukrainian: слі́дча (slídča) — one who investigates
  • Urdu: کھوجی (khojī) — one who investigates
  • Urdu: تَفْتِیش کار (taftīś kār) — one who investigates
  • Urdu: تَحْقِیق کُنِنْدَہ (tahqīq kuninda) — one who investigates
  • Uyghur: تەكشۈرگۈچى (tekshürgüchi) — one who investigates
  • Uzbek: tergovchi — one who investigates
  • Vietnamese: người điều tra — one who investigates
Real reading context

investigator in complete knowledge articles