Is “Overwhelm” a Scrabble word?
Yes
OVERWHELM
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 Overwhelm
/ˌovɚˈʍɛlm/
noun
1.The state or condition of being overwhelmed.
verb
1.To engulf, surge over and submerge.
“The dinghy was overwhelmed by the great wave.”
2.To overpower, crush.
“In December 1939 the Soviet Union attacked Finland with overwhelming force.”
3.To overpower emotionally.
“He was overwhelmed with guilt.”
Synonyms: swamp