(1):

(v. t.) To spend in vanity; to fritter away; to waste; as, to trifle away money.

(2):

(v. t.) To make of no importance; to treat as a trifle.

(3):

(n.) To act or talk without seriousness, gravity, weight, or dignity; to act or talk with levity; to indulge in light or trivial amusements.

(4):

(n.) A thing of very little value or importance; a paltry, or trivial, affair.

(5):

(n.) A dish composed of sweetmeats, fruits, cake, wine, etc., with syllabub poured over it.