Informal A member of a criminal gang or crime syndicate.(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 "mobster" in a sentence
"What mobster is going to guess that a huge dude is FBI. noahsplash"
"Only the head mobster is a bully who makes his money selling fake hall passes, the beautiful bad girl is “twelve but looks fourteen” and wields a mean squirt gun."
"Chase understood clearly that when it matters, even a nice-seeming mobster is unambiguously on the wrong side."