Is “Upshift” a Scrabble word?
Yes
UPSHIFT
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 Upshift
noun
1.A shift to a higher gear
2.A shift to a higher level, such as of frequency, growth, economic level, etc.
verb
1.To shift to a higher gear
“You can upshift to second gear once the car is moving.”
2.To shift to a higher level, such as of frequency, growth rate, economic level, etc.
“The frequency of the light is upshifted.”