dreadful

Short definition from Wiktionary

Adjective

1. 1
   Full of something causing dread, whether: Genuinely horrific, awful, or alarming; dangerous, risky.
2. 2
   Full of something causing dread, whether: Unpleasant, awful, very bad (also used as an intensifier).
3. 3
   Full of something causing dread, whether: Awesome, awe-inspiring, causing feelings of reverence.
4. 4
   Full of dread, whether: Scared, afraid, frightened.
5. 5
   Full of dread, whether: Timid, easily frightened.
6. 6
   Full of dread, whether: Reverential, full of pious awe.

Adverb

1. 1
   Dreadfully.

Noun

1. 1
   A shocker: a report of a crime written in a provokingly lurid style.
2. 2
   A journal or broadsheet printing such reports.
3. 3
   A shocking or sensational crime.