Is “Overcheck” a Scrabble word?
Yes
OVERCHECK
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 Overcheck
noun
1.A check pattern that is superimposed upon another pattern
2.A strap that stretches from the pollstrap of the bridle to the saddle
verb
1.To check or verify more than necessary.