Is “Mug” a Scrabble word?
Yes
MUG
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 Mug
/mʌɡ/
noun
1.A large cup for hot liquids, usually having a handle and used without a saucer.
2.The face, often used deprecatingly.
“What an ugly mug.”
3.A gullible or easily-cheated person.
“He's a gullible mug – he believed her again.”
Synonyms: dial, mush, phiz
verb
1.To strike in the face.
2.To assault for the purpose of robbery.
3.To exaggerate a facial expression for communicative emphasis; to make a face, to pose, as for photographs or in a performance, in an exaggerated or affected manner.
“The children weren't interested in sitting still for a serious photo; they mugged for the camera.”
adjective
1.Easily fooled, gullible.