Is “Roundtrip” a Scrabble word?
Yes
ROUNDTRIP
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Roundtrip
noun
1.A trip from one destination to another and then returning to the starting location.
“Margaret purchased a single round trip ticket to and from Chicago, as it was cheaper than buying two one-way tickets.”
verb
1.To export (a file, data, etc.) and eventually import it again without loss of fidelity.