Is “Flybys” a Scrabble word?
Yes
FLYBYS
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 Flybys
noun
1.A flight past a celestial object in order to make observations.
“The upcoming flyby of Halley's comet is expected to provide new information on the nature of the comet.”
2.A low-level ceremonial flight, typically in connection with an airshow or a military parade.
3.A brief visit.
Synonyms: flyover, flypast