This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The quality of being fearful

n. The state of being fearful.

n. The quality of being fearful or timorous; timidity; awe; alarm; dread.

n. The quality of causing fear or alarm; dreadfulness.

n. an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)

n. the trait of being afraid

"This smart girl's lack of attention to her assignments, and her overt "fearfulness" surely suggest something else is going on it her life."

fear   

thievishness    obstreperousness    changeableness    awayfrom    rankling    faithlessness    prurience    lifelessness    homelikeness    torpidity