Verb
irritate - To make someone angry, or annoyed; or to make apart of your body sore or painful.
After the mother spent hours peparing the Friday night meal, she was irritated when the whole family ate quickly and left without thanking her or even saying anything in appreciation.
encrypt - To protect private information by putting it into a form that can only be read by people who have the permission to do so.
Even though the Germans encrypted their messages with a complex code, Alan Turing and his team were able to decipher it figure it out.