Definition of Fearful

Adjective: fearful feer-ful

Experiencing or showing fear
"a fearful glance"; "fearful of criticism"
Causing fear, dread or terror
"a fearful howling";
- awful, dire, direful, dread, dreaded, dreadful, fearsome, frightening, horrendous, horrific, terrible
Lacking courage; ignobly timid and faint-hearted
"fearful dogs, ye will not aid me then";
- cowardly
Extremely distressing
"fearful slum conditions";
- frightful
Timid by nature or revealing timidity
"cast fearful glances at the large dog";
- timorous, trepid