With constant frequency or pattern.
"The alarm clock goes off regularly at 6 AM every single morning without fail."
In plain English: Regularly means doing something at fixed times or often without stopping.
"She regularly visits her grandmother on Sundays."
Usage: Use regularly to indicate that an action happens at consistent intervals, such as every day or on a set schedule. It differs from constantly by implying repetition rather than unceasing continuity without breaks.
The word regularly comes from combining regular with the suffix -ly. It entered English simply by adding a common ending to an existing adjective to form an adverb meaning "in a regular manner."