birr¹ /bûr or bir/ (esp Scot and US)

1. Impetus, force, vigour
2. A violent push (Scot)
3. Emphasis, stress in speaking
4. Any sharp whirring sound

To whirr

• reuses
• reusing
• reutter
• reuttered
• reuttering
• reutters
• rev
• rev.
• Rev
• Rev.
• revaccinate
• revaccinated
• revaccinates
• revaccinating
• revaccination
• revaccinations
• revalenta
• revalentas
• revalidate
• revalidated
• revalidates
• revalidating
• revalidation
• revalidations
• revalorisation