Englishfor English speakers
upper
Adjective
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The upper thing is the one that is in a higher position.
The upper floors of the building are for offices and the lower floors for housing.
upper
Noun
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A drug that stimulates a body. Uppers give a person energy and lower hunger.
He takes uppers so that he can stay awake all night studying.
case
Noun
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A case is a container to hold something.
He opened the case and pulled out his violin.
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A case is a matter for police or in court.
The judge did not accept his case.
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A case is the form of a noun showing how it is used in a sentence.
The word "he" is in the subject or nominative case.
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A case is a person of a certain kind.
That man is sure a hard case.
case
Verb
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If a police officer cases a house, he or she watches it until something happens.
We were casing a house all night in Brooklyn.
letter
Noun
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A letter is a symbol which makes up part of a word.
The word fly has 3 letters: f, l and y.
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A letter is a written message or note.
I received a letter through the post.
x
Noun
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X is the twenty-fourth (24th) letter of the alphabet.
"x" comes after "w" and before "y"
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This is the Roman numeral for ten (10). It may be written as X or x.