unspeakable

"His loud, insulting comments were highly objectionable to everyone in the meeting. "

"to die by an accident"

"The crime scene was gruesome, with blood splattered across the walls. "

"The student, nervous about her presentation, barely uttered a word. "

"Consider that we’ve had three major events and the year has hardly begun."

"The incapable student struggled to complete even the simplest assignments. "

"Students are permitted to use calculators during the math exam. "

"The weather was extremely hot today; we stayed inside all afternoon. "

"Go easy on him: he is but a child."

"Her childhood memories of playing hide-and-seek with her siblings were happy and vivid. "

"After the breakup, Sarah was heartbroken and couldn't concentrate on her studies. "

"The feeling is difficult to describe, but not unpleasant."