Discouraging; causing annoyance or anger by excessive difficulty(adjective)
Present participle of frustrate.(verb)
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Use "frustrating" in a sentence
"Mr. McCourt spoke after what he described as a frustrating three-and-a-half hour meeting with MLB executives, led by Rob Manfred , baseball's chief lawyer."
"In spite of what he called a frustrating "lack of political will" by Liberian faction leaders for a peaceful civil war settlement, "there now appears to be reasonable grounds for optimism," Boutros-Ghali said."
"CHICAGO Reuters - President Barack Obama turned his 50th birthday into a 2012 campaign fundraising bonanza on Wednesday, buoyed by a hometown crowd after what he called a frustrating period locked in a debt battle with Republicans."