Is “Foolproof” a Scrabble word?
Yes
FOOLPROOF
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 Foolproof
/ˈfuːl ˌpɹuːf/
verb
1.To make foolproof.
“We foolproofed the operations.”
adjective
1.For a device: protected, or designed to be proof against misuse or error.
2.For an idea or plan: infallible, or bulletproof.