investigator

in·ves·ti·ga·tor
I1N1V4E1S1T1I1G2A1T1O1R1
UK/ɪnˈvɛs.tɪˌɡeɪ̯.təː/UK[ɪnˈvɛs.tʰɪˌɡeɪ̯.tʰəː]US/ɪnˈvɛs.tɪˌɡeɪ̯.tɚ/US[ɪnˈvɛs.tʰɪˌɡeɪ̯.tʰɚ] ~ [ɪnˈvɛs.tʰɪˌɡeɪ̯.tʰɹ̩]

noun

One who investigates.

CommonScrabble 16

Meanings

nouninvestigator (plural investigators)

plural investigators

  1. One who investigates.

    Over the past year, Hur was tasked with investigating classified documents found at Biden’s home and private office from his time as vice president. Hur was seen as a meticulous investigator during the probe, sources told CNN.

    2024 March 11, Hannah Rabinowitz, Holmes Lybrand and Paula Reid, “Capitol Hill hearing puts Robert Hur, investigator behind Biden classified documents probe, back in the spotlight”, in CNN
    1 more example

    That the Oath Keepers recording went uninvestigated by the FBI until after January 6 is an “additional piece of information that congressional investigators in particular on the January 6th committee and the other Homeland Security committees should be looking at to determine whether or not the FBI and other law enforcement organizations were doing enough on the prevention side,” Cordero told CNN’s Ana Cabrera on Tuesday.

    2022 October 4, Hannah Rabinowitz and Holmes Lybrand, “Secret recording played at trial shows Oath Keepers allegedly planning for violence in DC”, in CNN

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

Synonyms & antonyms

More synonyms by meaning

nouna scientist who devotes themself to doing research

Similar
research workerresearcher
Broader

nouna police officer who investigates crimes

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latininvestigator
  2. Englishinvestigator

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

Full word history & related roots →

Translations

Arabic مُحَقِّق, مُحَقِّقَة
  • مُحَقِّق (muḥaqqiq)one who investigates
  • مُحَقِّقَة (muḥaqqiqa)one who investigates
  • مُفَتِّش (mufattiš)one who investigates
  • مُفَتِّشَة (mufattiša)one who investigates
Basque ikerlari, ikertzaile
  • ikerlarione who investigates
  • ikertzaileone who investigates
  • aztertzaileone who investigates
Bulgarian сле́довател, сле́дователка
  • сле́довател (slédovatel)one who investigates
  • сле́дователка (slédovatelka)one who investigates
  • изсле́довател (izslédovatel)one who investigates
  • изсле́дователка (izslédovatelka)one who investigates
Catalan investigador
  • investigadorone who investigates
Chinese Mandarin 調查者 /调查者
  • 調查者 /调查者 (diàocházhě)one who investigates
Czech vyšetřovatel, vyšetřovatelka
  • vyšetřovatelone who investigates
  • vyšetřovatelkaone who investigates
Danish efterforsker
  • efterforskerone who investigates
Dutch onderzoeker
  • onderzoekerone who investigates
Estonian uurija
  • uurijaone who investigates
Finnish tutkija, selvittäjä
  • tutkijaone who investigates
  • selvittäjäone who investigates
  • selvitysmiesone who investigates
French enquêteur, enquêtrice
  • enquêteurone who investigates
  • enquêtriceone who investigates
  • investigateurone who investigates
  • investigatriceone who investigates
German Ermittler, Ermittlerin
  • Ermittlerone who investigates
  • Ermittlerinone who investigates
  • Fahnderone who investigates
  • Fahnderinone who investigates
Greek διερευνητής, διερευνήτρια
  • διερευνητής (dierevnitís)one who investigates
  • διερευνήτρια (dierevnítria)one who investigates
Hebrew חוֹקֵר
  • חוֹקֵר (khokér)one who investigates
Hindi जाँचकर्ता, अन्वेषक
  • जाँचकर्ता (jā̃ckartā)one who investigates
  • अन्वेषक (anveṣak)one who investigates
Hungarian nyomozó
  • nyomozóone who investigates
Icelandic rannsakandi
  • rannsakandione who investigates
Indonesian penyidik, penyelidik
  • penyidikone who investigates
  • penyelidikone who investigates
Irish fiosraitheoir
  • fiosraitheoirone who investigates
Italian investigatore, investigatrice
  • investigatoreone who investigates
  • investigatriceone who investigates
Japanese 捜査員
  • 捜査員 (sōsain)one who investigates
Korean 수사관, 조사관
  • 수사관 (susagwan)one who investigates
  • 조사관 (josagwan)one who investigates
Latin inquīsītor, indāgātor
  • inquīsītorone who investigates
  • indāgātorone who investigates
  • indāgātrixone who investigates
  • investīgātorone who investigates
Latvian izmeklētājs
  • izmeklētājsone who investigates
Lithuanian tardytojas
  • tardytojasone who investigates
Malay penyiasat
  • penyiasatone who investigates
Māori kaimātai, kaitūhura
  • kaimātaione who investigates
  • kaitūhuraone who investigates
  • kairapuharaone who investigates
Norwegian Bokmål etterforsker
  • etterforskerone who investigates
Portuguese investigador, investigadora
  • investigadorone who investigates
  • investigadoraone who investigates
Romanian investigator, anchetator
  • investigatorone who investigates
  • anchetatorone who investigates
Russian сле́дователь, сле́довательница
  • сле́дователь (slédovatelʹ)one who investigates
  • сле́довательница (slédovatelʹnica)one who investigates
  • рассле́дователь (rasslédovatelʹ)one who investigates
  • рассле́довательница (rasslédovatelʹnica)one who investigates
Slovak vyšetrovateľ, vyšetrovateľka
  • vyšetrovateľone who investigates
  • vyšetrovateľkaone who investigates
Spanish investigador, investigadora
  • investigadorone who investigates
  • investigadoraone who investigates
Swahili mchunguzi
  • mchunguzione who investigates
Swedish utredare
  • utredareone who investigates
Thai ผู้สอบสวน
  • ผู้สอบสวน (pûu-sɔ̀ɔp-sǔuan)one who investigates
Turkish araştırıcı, araştırmacı
  • araştırıcıone who investigates
  • araştırmacıone who investigates
  • soruşturmacıone who investigates
Ukrainian слі́дчий, слі́дча
  • слі́дчий (slídčyj)one who investigates
  • слі́дча (slídča)one who investigates
Urdu کھوجی, تَفْتِیش کار
  • کھوجی (khojī)one who investigates
  • تَفْتِیش کار (taftīś kār)one who investigates
  • تَحْقِیق کُنِنْدَہ (tahqīq kuninda)one who investigates
Vietnamese người điều tra
  • người điều traone who investigates
Cite this entry
APA

investigator. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/investigator

MLA

“investigator.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/investigator. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “investigator,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/investigator.

Source: investigator on Wiktionary, CC BY-SA 4.0.