Source : Webster's Revised Unabridged Dictionary (1913)

Frequent \Fre"quent\, a. [L. frequens, -entis, crowded,
   frequent, akin to farcire to stuff: cf. F. fr['e]quent. Cf.
   {Farce}, n.]
   1. Often to be met with; happening at short intervals; often
      repeated or occurring; as, frequent visits. ``Frequent
      feudal towers.'' --Byron.

   2. Addicted to any course of conduct; inclined to indulge in
      any practice; habitual; persistent.

            He has been loud and frequent in declaring himself
            hearty for the government.            --Swift.

   3. Full; crowded; thronged. [Obs.]

            'T is C[ae]sar's will to have a frequent senate.
                                                  --B. Jonson.

   4. Often or commonly reported. [Obs.]

            'T is frequent in the city he hath subdued The Catti
            and the Daci.                         --Massinger.

Frequent \Fre*quent"\, v. t. [imp. & p. p. {Frequented}; p. pr.
   & vb. n. {Frequenting}.] [L. frequentare: cf. F.
   fr['e]quenter. See {Frequent}, a.]
   1. To visit often; to resort to often or habitually.

            He frequented the court of Augustus.  --Dryden.

   2. To make full; to fill. [Obs.]

            With their sighs the air Frequenting, sent from
            hearts contrite.                      --Milton.

Source : WordNet®

frequent
     adj 1: coming at short intervals or habitually; "a frequent guest";
            "frequent complaints" [ant: {infrequent}]
     2: frequently encountered; "a frequent (or common) error is
        using the transitive verb `lay' for the intransitive
        `lie'";

frequent
     v 1: do one's shopping at; do business with; be a customer or
          client of [syn: {patronize}, {patronise}, {shop}, {shop
          at}, {buy at}, {sponsor}] [ant: {boycott}, {boycott}]
     2: be a regular or frequent visitor to a certain place; "She
        haunts the ballet" [syn: {haunt}]