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Writing Tips has been archived and won’t be updated before it is permanently deleted.

For the most up-to-date content, please consult Writing Tips Plus, which combines content from Writing Tips and The Canadian Style. And don’t forget to update your bookmarks!

To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

infringe, infringe on, infringe upon

Infringe does not require a preposition when used in the sense of violating a law, regulation or other rule.

  • Drivers who infringe traffic laws by running red lights will now be caught on camera.
  • I may have infringed the customs regulations when I returned from Europe with so many gifts.

Infringe is followed by on or upon when the intended meaning is to trespass or encroach.

  • Parents often infringe on (or upon) their children’s privacy "for their own good."
  • Mandatory drug testing infringes on (or upon) workers’ civil rights, according to labour activists.