Home › Words › R › robertsmanrobertsmanrobertsman means A bold robber, or night thief.Among words judged in Lexicurio's Arena, robertsman ranks #2,165 of 42,747 for Qualifying.EtymologyFrom Robert + -s- + -man, perhaps from Robin Hood.nounA bold robber, or night thief.Definitions & examples from Wiktionary (CC BY-SA 3.0).