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 delving, disquisition, examen, examination, exploration, inquest, inquisition, inquiry, probation, probe, probing, research, studyRelated Words quest; audit, check; 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
Seen and Heard
What made you want to look up investigation? Please tell us where you read or heard it (including the quote, if possible).