What is the meaning of frequent?

verb

• Do one's shopping at; do business with; be a customer or client of.
  • synonyms: patronize, patronise, shop, shop at, buy at, sponsor
• Be a regular or frequent visitor to a certain place.
  • usage: "She haunts the ballet"
  • synonyms: haunt

adjective

• Coming at short intervals or habitually.
  • usage: "a frequent guest"; "frequent complaints"
• Frequently encountered.
  • usage: "a frequent (or common) error is using the transitive verb `lay' for the intransitive `lie'";