WordWeb Online

1. Write quickly
   "She dashed off a note to her husband saying she would not be home for supper"
   - scratch off, knock off, toss off, fling off
    
2. Write down hastily
   "She dashed off a letter to her lawyer"
   - dash down

Derived forms: dashed off, dashing off, dashes off

Type of: compose, get down, indite [archaic], pen, put down, set down, write, write down