The phrase "act reckless" is correct and usable in written English.
It can be used to describe behavior that is careless or irresponsible, often in a context where someone is taking unnecessary risks.
Example: "He tends to act reckless when he's under pressure, which often leads to poor decisions."
Alternatives: "behave irresponsibly" or "take foolish risks".
The State has charged the defendant with assault, misconduct in office by corruptly performing an unlawful act, reckless endangerment and misconduct inoffice by corruptly failing to do an act that is required by the duties of his office.
Family members may act reckless, travel plans may be a pain in the ass to schedule but Home Alone is always there, and comparatively it asks nothing of you.
It took an act of reckless courage to reconstruct them in these health and safety-conscious times at Tate Modern.
Against this backdrop, to give a performance that takes risks, courts vulnerability, or offers an unusual interpretation can seem like an act of reckless overexertion.
But the appeals court reversed that decision, determining that players — and potentially teams — could be held responsible if they act with reckless disregard for opponents' safety.
Mr. Jackson has come under fire for what some viewed as an act of reckless endangerment as he apparently tried to show the child to fans.
This may seem, to any literary mind steeped in the orthodoxy (and supremacy) of the western canon, an act of reckless equivalence.
The Supreme Court ruled narrowly in 1987 that defendants who play a major role in crimes in which death results may be sentenced to death if they act with "reckless disregard for human life".
But any hint of sentimentality was redeemed by the fact that it was Carrie, essentially, who pushed her into doing it; going to Brody's house in one last act of reckless abandon.
Hulsman has apparently had a severe case of second thoughts — though he doesn't say so — since he and Lieven describe the decision to invade Iraq as an act of reckless militarism.
She tells companies to act "rationally reckless," to use capital markets as a tool and proceed "as though they have nothing and yet everything to lose".
