Dread
Part of speech: verb
Definition: To fear greatly. To anticipate with fear.
Part of speech: noun
Definition: A great fear. Somebody or something dreaded. A Rastafarian.
Example sentence: Because I write what I feel the most heavy about. So if there is one day of the week when I feel completely crushed by existential dread, I'll end up writing about it, not the great day I had at the park with my friends. I hope it resonates with people - and it does, with some.
Fearful
Part of speech: adjective
Definition: frighteningfrightened, filled with terrorterrible
Example sentence: Amongst other our secular businesses and cures, our principal intent and fervent desire is to see virtue and cleanness of living to be advanced, increased, and multiplied, and vices and all other things repugnant to virtue, provoking the high indignation and fearful displeasure of God, to be repressed and annulled.