Definition of "semi-regular" []

• Pertaining to or containing a quadrilateral which has four equal sides, but only pairs of equal angles.

The Century Dictionary (Public Domain)

• "But for a regular/semi-regular smoker you would be required to deal with the criminal element on a regular basis to keep stocked within the legal amount."
• "He's been a semi-regular on ABC, CNN, Fox News and other networks for weeks."
• "You mean they all manage to get promoted on a semi-regular basis way above their demonstrated capabilities — and perhaps in spite of them?"