WordWeb Online

1. The act of procrastinating; putting off, delaying or deferring an action to a later time
   - procrastination, cunctation

1. Be uncertain and vague
    
2. Postpone doing what one should be doing
   "He did not want to write the letter and shillyshallied for days";
   - procrastinate, stall, drag one's feet, drag one's heels, dilly-dally, dillydally

Derived forms: shillyshallies, shillyshallied, shillyshallying

Type of: blow hot and cold, delay, holdup, hover, oscillate, vacillate, vibrate