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

• priors
• priorship
• priorships
• no one
• no-one
• nooned
• nooner
• nooners
• nooning
• noonings
• noons
• noontide
• noontides
• noontime
• noop
• noops
• noose
• noosed
• nooses
• noosing
• noosphere
• noospheres
• nootropics
• NOP
• nopal