1. With rapid movements
   - quickly, rapidly, chop-chop, apace

See also: speedy

• difficultness
• difficulty
• diffidence
• diffident
• diffidently
• difflugia
• diffract
• diffraction
• diffraction grating
• diffractive
• diffuse
• diffuse nebula
• diffused
• diffusely
• diffuseness
• diffuser
• diffusible
• diffusing
• diffusing screen
• diffusion
• diffusion pump
• diffusive
• diffusivity
• diffusor
• diflunisal