Sentence:  "Enough," Nathaniel repeated as he kept a tight hold on their suspenders. "What's been said was said. What's been done has been done. It's over. Let is go." / The <WSD>glowers</WSD> the boys gave him warned Nathaniel that he was wasting his breath. 
Meaning of the word marked with <WSD> tags:  An angry glare or stare. (from late 15th c.)