instantaneously

"The alarm clock's sound was instantaneous; as soon as I hit snooze, it blared again. "

"The student clicked the pen to activate the button that started the test. "

"The new program at school gives students more room for creativity in their projects. "

"I will not remain here any longer."

"the delay before the echo of a sound"

"It looks weaker and weaker, the more I think about it."

"The carpenter used the switch to adjust the tightness of the wooden crate's binding. "

"My sister learned to write in a very careful manner. "

"The room was too dark for reading."

"The children went to school this morning. "

"As you can see, this spacious dining-room gets a lot of light in the mornings."

"The school is located just outside the town, without the main shopping area. "