Home › Words › L › landsiderlandsiderlandsider means someone who lives on land (as opposed to the sea or space).Among words judged in Lexicurio's Arena, landsider ranks #16,734 of 42,752 for Qualifying.EtymologyFrom landside + -er.nounSomeone who lives on land (as opposed to the sea or space).Definitions & examples from Wiktionary (CC BY-SA 3.0).