open

"The door is open, so the cool air can come in. "

"an open hand; an open flower"

"Banks are not open on bank holidays."

"I am open to new ideas."

"He published an open letter to the governor on a full page of the New York Times."

"The man is an open book."

"The math formula for the area of a rectangle is an open formula because it has a variable for the width. "

"The open set of possible exam scores includes all grades from 70% to 100%. "

"The hiking trail was an open path, starting at the school and ending at the park. "

"The spreadsheet file is open now, so we can all see the latest sales figures. "

"My goal to finish the project by Friday is still open; it hasn't been accomplished yet. "

"an open question"

"The violin teacher praised Emily's open G string. "

"The clarinet player played an open A. "

"an open winter"

"You will observe that this is an open letter and we reserve the right to mention it to the judge should the matter come to trial."

"The teacher's "open" pronunciation of the vowel sound in "about" made it easier for the students to understand. "

"My teacher's voice was open when she pronounced the "h" sound in "happy." "

"The word "family" is an open syllable; it ends in the vowel "y." "

"The source code for the new math software is open, so anyone can use and modify it. "

"The doctor examined the open wound on the boy's arm. "

"Turn the doorknob to open the door."

"He opened a path through the undergrowth."

"The teacher opened the topic of bullying in class today. "

"to open a case in court, or a meeting"

"to open a closed fist"

"I will open the shop an hour early tomorrow."

"Vermont will open elk hunting season next week."

"The door opened all by itself."

"The shop opens at 9:00."

"The two top batters opened the batting for their team. "

"After the first two players fold, Julie opens for $5."

"Jeff opens his hand revealing a straight flush."

"Before starting her history project, Maria opened the research paper file. "

"The teacher opened the meaning of the poem for the class. "

"The open field behind the school was perfect for a picnic. "

"The open of the new school's construction project is next week, allowing the public to see the progress. "

"The electrician found the open in the circuit after a few minutes of testing."

"the Australian Open"