Source : Webster's Revised Unabridged Dictionary (1913)

Banal \Ban"al\, a. [F., fr. ban an ordinance.]
   Commonplace; trivial; hackneyed; trite.

Source : WordNet®

banal
     adj 1: obvious and dull; "trivial conversation"; "commonplace
            prose" [syn: {commonplace}, {trivial}]
     2: repeated too often; overfamiliar through overuse; "bromidic
        sermons"; "his remarks were trite and commonplace";
        "hackneyed phrases"; "a stock answer"; "repeating
        threadbare jokes"; "parroting some timeworn axiom"; "the
        trite metaphor `hard as nails'" [syn: {commonplace}, {hackneyed},
         {old-hat}, {shopworn}, {stock(a)}, {threadbare}, {timeworn},
         {tired}, {trite}, {well-worn}]