1. [adjective] (usually used predicatively, not attributively) Impressed with fear or apprehension; in fear.
2. [adjective] (colloquial) regretful, sorry
3. [adjective] 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'.
4. [adjective] 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'.
5. [adjective] 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'.
6. [adjective] Having feelings of aversion or unwillingness; 'afraid of hard work'; 'afraid to show emotion'.