undetectable

"The not of the student's attendance record meant they were absent. "

"Are you unable to mind your own business or something?"

"To separate out the chaff, early cultures tossed baskets of grain into the air and let the wind blow away the lighter chaff."

"Finnish and Estonian are closely related languages."

"In all the submissions, they found four papers that were clearly worth publishing and another dozen almosts."

"He tried his very best."

"The smoke alarm detected a fire in the kitchen. "

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

"There was a detectable pause before he continued. We all noticed it but no one commented."

"The child's small was sore after carrying his heavy backpack to school. "

"I’m leaving unless I get a pay rise (AmE: raise)."

"A large crack had formed in the roadway."