Synonyms of the word 
FRIGHTFULNESS → AWFULNESS - DREADFULNESS - HORRIDNESS - TERRIBLENESS
frightfulness
- n. The quality of being frightful.
awfulness
- n. The state or quality of being awful.
- n. The quality of striking with awe, or with reverence; dreadfulness; solemnity.
- n. The state of being struck with awe; a spirit of solemnity; profound reverence.
dreadfulness
- n. The characteristic of being dreadful.
horridness
- n. The quality of being horrid.
terribleness
- n. The characteristic of being terrible.
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