frequently

adverb

In an expected or customary manner; for the most part: commonly, consistently, customarily, generally, habitually, naturally, normally, often, regularly, routinely, typically, usually. Idioms: as usual, per usual. See big/small/amount, usual/unusual.

Definition: commonly, repeatedly
Antonyms: infrequently, not much, occasionally, rarely, seldom, uncommonly

The adverb has one meaning:

Meaning #1: many times at short intervals
  Synonyms: often, oftentimes, oft, ofttimes
  Antonym: infrequently (meaning #1)
  Derived from adjective: frequent (meaning #1)