timorous

Short definition from Wiktionary

Adjective

1. 1
   Tending to be easily frightened; shy, timid.
2. 2
   Feeling fear; afraid, fearful, frightened.
3. 3
   Fastidious in dressing.
4. 4
   Fired with intense feeling; passionate.
5. 5
   Hard to manage; difficult, tiresome.
6. 6
   Causing dread or fear; dreadful, terrible.
7. 7
   Humble, modest; also, showing reverence; respectful, reverent, reverential.