Dictionary.com
Thesaurus.com
Synonyms

kill-time

British  

noun

    1. an occupation that passes the time

    2. ( as modifier )

      kill-time pursuits

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

kill time Idioms  
  1. Pass time aimlessly. For example, There was nothing to do, so I sat around killing time until dinner was ready. This idiom was first recorded about 1768.