indelible

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

"I have a house and a car."

"I spilled some sticky juice on the kitchen floor."

"His head made an impression on the pillow."

"She canceled the incorrect answer on her test paper with a pen. "

"Quality of life is usually determined by health, education, and income."

"Failing the final exam was a horrible prospect for Sarah. "

"I have forgotten most of the things I learned in school."

"The delete key on my laptop was stuck, so I couldn't erase the email. "

"The school board annulled the controversial new dress code policy. "

"The complicated instructions on the new software difficult me from completing the project on time. "

"Marriage is a contract."