Englishfor English speakers
sharp
Adjective
—
Having a cutting edge; not dull.
He has a sharp knife.
—
Intelligent or quick to learn.
That girl is sharp.
—
Strong in flavor.
That lemonade is sharp.
I would like sharp Cheddar cheese.
sharp
Noun
—
A blade, especially a sword used in fencing, with a sharp tip.
Jesse preferred to practice with sharps.
—
A sharp is a note that is one half step above the one that is named.
productivity
—
noun
(= productiveness)
the quality of being productive or having the power to produce
—
noun
(economics) the ratio of the quantity and quality of units produced to the labor per unit of time
criterion
Noun
—
A criterion is a principle that you use to judge something or decide about something.
The only criterion used for measuring success was school grades.