Is “Perturb” a Scrabble word?
Yes
PERTURB
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 Perturb
/pɚˈtɝb/
verb
1.To disturb; to bother or unsettle.
2.To slightly modify the motion of an object.
3.To modify the motion of a body by exerting a gravitational force.