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"
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"
having feelings of aversion or unwillingness; "afraid of hard work"; "afraid to show emotion"
respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants
tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought"