1.Definition: feeling worry or concern or insecurity

"She was afraid that I might be embarrassed", "Terribly afraid of offending someone", "I am afraid we have witnessed only the first phase of the conflict"

2.Definition: filled with fear or apprehension

"Afraid even to turn his head", "Suddenly looked afraid", "Afraid for his life", "Afraid of snakes", "Afraid to ask questions"

3.Definition: filled with regret or concern; used often to soften an unpleasant statement

"I'm afraid I won't be able to come", "He was afraid he would have to let her go", "I'm afraid you're wrong"

4.Definition: having feelings of aversion or unwillingness

"Afraid of hard work", "Afraid to show emotion"