Is “Humdrum” a Scrabble word?
Yes
HUMDRUM
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 Humdrum
/ˈhʌmˌdɹʌm/
noun
1.The quality of lacking variety or excitement.
2.A stupid fellow.
Synonyms: dullness, monotony
adjective
1.Lacking variety or excitement; dull; boring.