Is “Shrieks” a Scrabble word?
Yes
SHRIEKS
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 Shrieks
noun
1.A sharp, shrill outcry or scream; a shrill wild cry such as is caused by sudden or extreme terror, pain, or the like.
2.An exclamation mark.
verb
1.To utter a loud, sharp, shrill sound or cry, as do some birds and beasts; to scream, as in a sudden fright, in horror or anguish.
2.To utter sharply and shrilly; to utter in or with a shriek or shrieks.