One, especially a detective, who investigates.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "investigator" in a sentence
"Okay, let me get this straight ... the State of Alaska personnel board investigator is saying Sarah Palin should make the State pay legal bills for fighting these frivolous ethics complaints instead of paying them from private donors?"
"An investigator is hired by the protective ex-husband of a Hollywood starlet (Evelyn Cordew) to retrieve her ghosts, although the investigator thinks he is only meant to stop the doctor from blackmailing the starlet."
"Schantag has posted him under "phonies and wannabees" on the POW Network website, and a Department of Veterans Affairs investigator is now looking into his record."