Is “Acerb” a Scrabble word?
Yes
ACERB
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 Acerb
/əˈsɜːb/
adjective
1.Sour, bitter, and harsh to the taste, as unripe fruit.
2.Sharp and harsh in expressing oneself.
Synonyms: acerbic, acerbic