SAME TIME/SPACE›repeated with the same amount of time or space between one thing and the next: a regular pulsePlant the seedlings at regular intervals.
OFTEN›happening or doing something often, especially at the same time every week, year, etc: a regular occurrencea regular visitor to BrusselsWe arranged to meet on a regular basis.
USUALUS›usual or normal: I couldn't see my regular dentist.
SIZEinformal›being a standard size: a burger and regular fries
SHAPE›Something that has a regular shape is the same on both or all sides: She's got lovely, regular teeth.
GRAMMAR›following the usual rules or patterns in grammar: 'Talk' is a regular verb but 'go' is not. → Oppositeirregular