Read the dictionary definition of fearful. All definitions for this word.
1. experiencing or showing fear
1. a fearful glance
2. fearful of criticism
2. causing fear or dread or terror
1. the awful war
2. an awful risk
3. dire news
4. a career or vengeance so direful that London was shocked
5. the dread presence of the headmaster
6. polio is no longer the dreaded disease it once was
7. a dreadful storm
8. a fearful howling
9. horrendous explosions shook the city
10. a terrible curse
3. timid by nature or revealing timidity
1. timorous little mouse
2. in a timorous tone
3. cast fearful glances at the large dog
4. lacking courage; ignobly timid and faint-hearted
1. cowardly dogs, ye will not aid me then
5. extremely distressing
1. fearful slum conditions
2. a frightful mistake