gumshoe

/ˈɡʌmˌʃu/
noun
  1. A detective, especially a private detective.
    • My uncle always wanted to be a gumshoe, so he started his own investigation agency.
    • The old gumshoe followed the suspect through the crowded market.
    • In the movie, a tough gumshoe takes on a case involving a missing heiress.
verb
  1. To move or act like a detective; to investigate or follow stealthily.
    • He gumshoed behind the suspect, careful not to be seen.
    • The reporter gumshoed around the building looking for clues.
    • She gumshoed through the old files, hoping to find a lead.
Synonyms
What does "gumshoe" mean? | whatsthatwordmean | whatsthatwordmean