trifle

nouns

a cold pudding made of layers of sponge cake spread with fruit or jelly; may be decorated with nuts, cream, or chocolate
is a type of (narrower)
(British) the dessert course of a meal (`pud' is used informally)
a detail that is considered insignificant
something of small importance

verbs

waste time; spend one's time idly or inefficiently
is derived from
act frivolously
is derived from
consider not very seriously
"He is trifling with her"; "She plays with the thought of moving to Tasmania"