incorrigible

"Mathematics helps us understand the relationship between different shapes in our daily lives. "

"He is an unusual individual."

"Instruction will be provided on how to handle difficult customers."

"The toddler's tantrum in the grocery store was completely unmanageable. "

"The man was completely impervious to the deception we were trying."

"The blueprints showed how the house would be materially different after the renovation, with larger rooms and a new balcony. "

"My procrastination on my homework caused me to fail the test. "

"Construction is underway on the new bridge."

"The rules of the game are unalterable; we must follow them exactly as they are written. "

"The incorrigibles in the prison population are either lifers or habitual reoffenders."

"The population of New Jersey will not stand for this!"

"The impossible of finishing the project by Friday became a reality when everyone worked late. "