1. In an irregular manner
   "the patient is breathing irregularly" 
2. Having an irregular form
   "irregularly shaped solids" 
3. In an irregular manner
   "her letters arrived irregularly"
   - on an irregular basis 
4. In an irregular manner
   "the stomach mucosa was irregularly blackened"

See also: irregular

Antonym: regularly

• power saw
• power series
• power service
• power shovel
• power station
• power steering
• power structure
• power surge
• power system
• power takeoff
• power tool
• power train
• power trip
• power unit
• power user
• power walking
• power worker
• power-assisted
• power-assisted steering
• power-dive
• power-driven
• power-station worker
• powerboat
• powerboating
• powerbroker