trifler (Meaning)

Wordnet

trifler (n)

one who behaves lightly or not seriously

Webster

One who trifles.

The professor dismissed her student's thesis as the work of a trifler, unworthy of serious consideration.
John's flippant demeanor and lack of commitment to his responsibilities revealed him to be a mere trifler.
The politician's empty promises and constant equivocations marked him as a trifler, incapable of fulfilling his obligations.
Sarah's boyfriend, once thought to be a reliable partner, turned out to be a trifler who abandoned her without a word.
The company's executives were dismissed as triflers, more interested in personal gain than the well-being of the organization.
The author's protagonist, a young man caught in a web of deceit, was labeled a trifler by his adversaries.
The actor's performance was met with ridicule, earning him the reputation as a trifler who lacked the talent and dedication for the stage.
The artist's abstract paintings were condemned by critics as the work of a trifler, devoid of any meaningful substance.
The newspaper article exposed the politician's past as a trifler, revealing a history of broken promises and ethical lapses.
The judge reprimanded the defendant as a trifler, sentencing him to a long prison term for his repeated offenses.

one who behaves lightly or not seriouslyOne who trifles.

beginner, kid, novice,amateur, tenderfoot,jackleg, newcomer, inexpert, hacker, hack

craftsman, master, ace, hand, ace, sharp, shark, virtuoso, sharp, adept

The professor dismissed her student's thesis as the work of a trifler, unworthy of serious consideration.

John's flippant demeanor and lack of commitment to his responsibilities revealed him to be a mere trifler.

The politician's empty promises and constant equivocations marked him as a trifler, incapable of fulfilling his obligations.

Sarah's boyfriend, once thought to be a reliable partner, turned out to be a trifler who abandoned her without a word.