1. Experiencing or showing fear
   "a fearful glance"; "fearful of criticism" 
2. Causing fear or dread or terror
   "a fearful howling"
   - awful, dire, direful, dread, dreaded, dreadful, fearsome, frightening, horrendous, horrific, terrible 
3. Lacking courage; ignobly timid and faint-hearted
   - cowardly 
4. Extremely distressing
   "fearful slum conditions"
   - frightful 
5. Timid by nature or revealing timidity
   "cast fearful glances at the large dog"
   - timorous, trepid

See also: afraid, alarming, bad, caitiff [archaic], chicken, chickenhearted, chicken-livered, cowardice, cowardliness, craven, dastard, dastardly, faint, fainthearted, faint-hearted, fearfully, fearfulness, 'fraid [non-standard], funky, ignoble, lily-livered, poltroon, poor-spirited, pusillanimous, recreant [archaic], timid, unmanly, white-livered, yellow, yellow-bellied

Encyclopedia: Fearful

• calcium
• calcium bicarbonate
• calcium blocker
• calcium carbide
• calcium carbonate
• calcium chloride
• calcium hydrate
• calcium hydride
• calcium hydroxide
• calcium hypochlorite
• calcium ion
• calcium lactate
• calcium light
• calcium nitrate
• calcium octadecanoate
• calcium oxide
• calcium phosphate
• calcium stearate
• calcium sulfate
• calcium sulphate
• calcium-channel blocker
• calcium-cyanamide
• calculable
• calculate
• calculated