Thesaurus

investigation

noun

Synonyms and Antonyms of investigation

a systematic search for the truth or facts about something

Officials launched an extensive investigation of the plane crash.

Synonyms of investigation

delving, disquisition, examination, exploration, inquest, inquiry, inquisition, probation, probe, probing, research, study

Words Related to investigation

checkup, diagnosis, inspection

hearing, interrogation, trial

feeler, query, question

poll, questionary, questionnaire, survey

challenge, cross-examination, going-over, grilling, quiz

rehearing, reinvestigation

self-examination, self-exploration, self-questioning, self-reflection, self-scrutiny, soul-searching

Learn More about investigation

Spanish Central: Translation of investigation Nglish: Translation of investigation for Spanish speakers Britannica English: Translation of investigation for Arabic speakers

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