WordWeb Online

1. Unskillfulness resulting from a lack of training
   - awkwardness, ineptness, ineptitude, maladroitness, slowness, cack-handedness [Brit, informal]
    
2. The carriage of someone whose movements and posture are ungainly or inelegant
   - awkwardness
    
3. The inelegance of someone stiff and unrelaxed (as by embarrassment)
   - awkwardness, gracelessness, stiffness

Type of: bearing, carriage, inelegance, posture, unskilfulness [Brit, Cdn], unskillfulness [N. Amer]

Antonym: gracefulness

Encyclopedia: Clumsiness