dreadful vs dire

dreadful and dire both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dreadful	No	Yes	No	No
dire	No	Yes	No	No

As adjectives, dreadful and dire are synonyms defined as:

Other synonyms of dreadful include awful, direful, dread, dreaded, fearful, fearsome, frightening, horrendous, horrific, terrible.

dreadful (adjective)	dire (adjective)
causing fear or dread or terror	fraught with extreme danger; nearly hopeless
exceptionally bad or displeasing	causing fear or dread or terror
extremely disagreeable and unpleasant