patronising

"The teacher condescended to explain the difficult math problem to the struggling student. "

"He is an avid collector of nineteenth-century postage stamps."

"My sister is very helpful, especially when it comes to organizing things. "

"The Mona Lisa is one of the most famous paintings."

"Many US colleges want to achieve superiority in the sport of football."

"He promoted his clerk to office manager."

"The pizza was delicious, so I ate two slices. "

"The local bookstore often patronises young, local authors by featuring their books prominently and hosting reading events for them. "

"To explain a chapter of the Bible."

"the unjustified killing of an innocent"

"The student spoke offensively to the teacher, which resulted in a detention. "

"The explanation was long and drawn-out."