irritability

"The condition for getting a raise at work is meeting your quarterly targets. "

"The new student was a natural from Japan. "

"The teacher was careful not to slight any student's question, even if it seemed basic, because she knew everyone learns at their own pace. "

"My teacher asked for a response to the question, so I wrote an answer on the board. "

"The characteristic smell of freshly baked bread always reminds me of my grandmother's kitchen. "

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

"I have absolutely no influence over him."

"Sentence: "Lack of sleep can increase your susceptibility to colds and flu." "

"His courage manifested itself through the look on his face."

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

"My sister is very irritable this week; she's easily annoyed by small things. "

"Scientists study different organisms, such as bacteria and plants, to learn about life on Earth. "