missing

B1 · Intermediate

adj. not included in something, even though it should be there.

adj. absent from a set, series, or whole where inclusion is expected or required.

“There are a few pages missing from the middle of this book.”

“The auditor noted that several critical signatures were missing from the final contract, rendering the document legally unenforceable.”

C2 · Proficiency Technology Technical

adj. used to describe an engine that is not running smoothly.

adj. referring to an internal combustion engine that fails to fire properly in one or more cylinders.

“The old car was missing badly as we tried to drive up the steep hill.”

“The mechanic identified a fouled spark plug as the primary reason the engine had been missing during acceleration.”

C1 · Advanced Countable noun Computing Academic · Technical

n. a piece of information that is not there in a list or set of facts.

n. a null or absent value within a dataset or statistical observation.

“The software automatically highlights any missings in the spreadsheet.”

“The researcher had to decide whether to exclude the participants with missings or to use an imputation method to fill the gaps.”