1. With rapid movements
   "he works quickly"
   - rapidly, speedily, chop-chop, apace 
2. With little or no delay
   - promptly, quick, responsively 
3. Without taking pains
   - cursorily

See also: quick

Antonym: slowly

Encyclopedia: Quickly

• unstressed
• unstring
• unstructured
• unstrung
• unstuck
• unstudied
• unstudious
• unstuff
• unstylish
• unsuasible
• unsubdivided
• unsubduable
• unsubdued
• unsubmissive
• unsubscribe
• unsubstantial
• unsubstantialise
• unsubstantialize
• unsubstantiated
• unsubtle
• unsuccessful
• unsuccessful person
• unsuccessfully
• unsufferable
• unsugared