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Use "agast" in a sentence
"When he came to the above mentioned scene he was agast as he looked past the horses, elk quarters, and hunters loading them."
"I am continually agast at political left ... who would abort an INNOCENT child or assist in a elderly suicide BUT will protest and want to protect convicted murderers from capital punishment."
"Those who have are now agast that Obama has renigged on his empty campaign promises not realizing their desire for change was in reality more of the same, just in a different package."