killer

In addition to its literal meaning, the noun or modifier killer informally indicates something very good or very bad, or something impressive or tough. In formal writing, avoid this use.

  • Software developers are searching for the “killer app”— the application that will eliminate the competition.
  • Even with 24 gears on my mountain bike, that is a killer hill!
  • This math assignment is a real killer.

Copyright notice for Writing Tips Plus

© His Majesty the King in Right of Canada, represented by the Minister of Public Services and Procurement
A tool created and made available online by the Translation Bureau, Public Services and Procurement Canada

Search by related themes

Want to learn more about a theme discussed on this page? Click on a link below to see all the pages on the Language Portal of Canada that relate to the theme you selected. The search results will be displayed in Language Navigator.