many times at short intervals
"we often met over a cup of coffee"
At frequent intervals.
"The lighthouse beam swept across the dark water at frequent intervals, signaling ships to stay clear of the rocks."
In plain English: Frequently means something happens very often or many times.
"She frequently checks her phone during lunch breaks."
Usage: Use frequently to describe actions that happen often or at short intervals, such as visiting a friend several times a week. Avoid using it when you simply mean "often" in a vague sense without implying a regular pattern.
The word frequently comes from combining the adjective frequent with the suffix -ly to form an adverb. It entered English by adding a common grammatical ending to describe how often something happens.