Is “Surer” a Scrabble word?
Yes
SURER
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 Surer
adjective
1.Physically secure and certain, non-failing, reliable.
“This investment is a sure thing. The bailiff had a sure grip on the prisoner's arm.”
2.Certain in one's knowledge or belief.
“He was sure she was lying. I am sure of my eventual death. John was acting sure of himself but in truth had doubts.”
3.Certain to act or be a specified way.
“Be sure to lock the door when you leave.”
Synonyms: certain, failsafe, reliable, sicker, certain, positive