overwrite

"The descriptive words in the student's essay painted a vivid picture of the historical event. "

"My teacher explained the new math concept, and I understood it perfectly. "

"He unnecessarily repeated much of what others had covered."

"I wanted to record every detail of what happened, for the benefit of future generations."

"He discovered penicillin largely accidentally."

"I accidentally saved my unwanted changes and overwrote the version of the document I wanted to keep."

"I accidentally saved my unwanted changes and overwrote the version of the document I wanted to keep."

"Hooligans destroy unprovoked."

"The automatic child-frightener made clowns unnecessary."

"The operation of the new coffee machine is quite simple. "

"His new haircut was an accidental; he'd meant to trim it a little, but the scissors slipped. "

"The teacher complicated the math problem by adding several extra steps. "