Is “Flimsiest” a Scrabble word?
Yes
FLIMSIEST
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 Flimsiest
adjective
1.Likely to bend or break under pressure.
“He expected the flimsy structure to collapse at any moment.”
2.Weak; ill-founded.
“a flimsy excuse”
Synonyms: feeble, unconvincing, weak, flexible, fragile, shaky