fearful (adj.)causing fear or dread or terror;
fearful (adj.)experiencing or showing fear;
fearful (adj.)lacking courage; ignobly timid and faint-hearted; "cowardly dogs, ye will not aid me then"- P.B.Shelley;
fearful (adj.)extremely distressing;
fearful (adj.)timid by nature or revealing timidity;
cast fearful glances at the large dog