Definitions

1. noun

A person with a tendency to engage in antisocial or unlawful behavior, often in a seemingly inconspicuous manner.

“The authorities were looking for a criminaloid who had been involved in a string of burglaries in the area.”

2. adjective

Characteristic of or resembling a person who engages in antisocial or unlawful behavior, often in a subtle or inconspicuous manner.

“The detective suspected the suspect was a criminaloid, always trying to avoid detection.”