investigate

[in-ves-ti-geyt]

verb (used with object), in·ves·ti·gat·ed, in·ves·ti·gat·ing.

to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
to search out and examine the particulars of in an attempt to learn the facts about something hidden, unique, or complex, especially in an attempt to find a motive, cause, or culprit: The police are investigating the murder.

verb (used without object), in·ves·ti·gat·ed, in·ves·ti·gat·ing.

to make inquiry, examination, or investigation.

Origin of investigate

1500–10; < Latin investīgātus, past participle of investīgāre to follow a trail, search out. See in-2, vestige, -ate1
Related formsin·ves·ti·ga·tive, in·ves·ti·ga·to·ry [in-ves-ti-guh-tawr-ee, -tohr-ee] /ɪnˈvɛs tɪ gəˌtɔr i, -ˌtoʊr i/, adjectivein·ves·ti·ga·tor, nounpre·in·ves·ti·gate, verb, pre·in·ves·ti·gat·ed, pre·in·ves·ti·gat·ing.pre·in·ves·ti·ga·tor, nounqua·si-in·ves·ti·gat·ed, adjectivere·in·ves·ti·gate, verb, re·in·ves·ti·gat·ed, re·in·ves·ti·gat·ing.un·in·ves·ti·gat·ed, adjectiveun·in·ves·ti·gat·ing, adjectiveun·in·ves·ti·ga·tive, adjectiveun·in·ves·ti·ga·to·ry, adjectivewell-in·ves·ti·gat·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


Examples from the Web for investigator

Contemporary Examples of investigator

Historical Examples of investigator

  • The investigator is not necessarily a historian, any more than a lumberman is an architect.

    College Teaching

    Paul Klapper

  • She frowned under it without animosity, in the manner of an investigator.

    Under Western Eyes

    Joseph Conrad

  • This upheaval in the South, according to an investigator, will be helpful to all.

  • Just what kind of an investigator do you take me for, Tapkins?

    Janet of the Dunes

    Harriet T. Comstock

  • He becomes a chairman, an investigator, a committee man, and a debater.

    The Arena

    Various


British Dictionary definitions for investigator

investigator

noun

a person who investigates, such as a private detective

investigate

verb

to inquire into (a situation or problem, esp a crime or death) thoroughly; examine systematically, esp in order to discover the truth
Derived Formsinvestigable, adjectiveinvestigative or investigatory, adjective

Word Origin for investigate

C16: from Latin investīgāre to search after, from in- ² + vestīgium track; see vestige
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for investigator
n.

1550s, a native agent-noun formation from investigate, or else from Latin investigator "he that searches into," agent noun from past participle stem of investigare (see investigation).

investigate

v.

c.1500, back-formation from investigation, or else from Latin investigatus, past participle of investigare "to trace out, search after" (see investigation). Related: Investigated; investigating.

Online Etymology Dictionary, © 2010 Douglas Harper