Is “Mithers” a Scrabble word?
Yes
MITHERS
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 Mithers
verb
1.To make an unnecessary fuss, moan, bother.
“The European Commission is pondering how to compel phone companies to come up with a universal plug for their chargers. Apple, which uses its own design for its charger cables, is mithering about the change. ("The parable of the plug", The Economist, 6 February 2020)”
2.To pester or irritate someone. Usually directed at children.
“Will you stop mithering me!”
noun
1.Mother