All 3 Uses

trifle
in
Othello, the Moor of Venice
(Auto-generated)

Do not believe That, from the sense of all civility, I thus would play and trifle with your reverence: Your daughter,—if you have not given her leave,—I say again, hath made a gross revolt; Tying her duty, beauty, wit, and fortunes In an extravagant and wheeling stranger Of here and everywhere.†
Scene 1.1 *

trifle with = treat thoughtlessly or without respect
Trifles light as air Are to the jealous confirmations strong As proofs of holy writ: this may do something.†
Scene 3.3 *

trifles = things of small importance
that handkerchief thou speak'st of I found by fortune and did give my husband; For often with a solemn earnestness,—More than, indeed, belong'd to such a trifle,—He begg'd of me to steal it.†
Scene 5.2

Definitions:

(1) (trifle as in: a trifling matter)
something of small importance; or a small quantity
(2) (trifle with as in: trifle with her affections)
to treat somebody or something thoughtlessly or without respect
(3) (meaning too rare to warrant focus)
A trifle can refer to a kind of dessert. In classic literature, trifling can be a synonym for small talk.