1 noun
Related topics: Letters and punctuation
A1 , a plural A's, a's
1 [uncountable and countable]SLA the first letter of the English alphabet
2 [uncountable and countable] the sixth note in the musical scale of C major or the musical key based on this note
3 [countable] the highest mark that a student can get in an examination or for a piece of work:
I got an A in French.
Julia got straight As (=all A's) in high school.

an A student

American English someone who regularly gets the best marks possible for their work in school or college
5 [uncountable] used to refer in a short way to one of two different things or people. You can call the second one B:
A demands £500, B offers £100.

➔ plan A

at plan1 (5)

from A to B

from one place to another
get/go from A to B
Hiring a car was the best way to get from A to B.

from A to Z

describing, including, or knowing everything about a subject:
the history of art from A to Z

A34, A40 etc

the name of a road in Britain that is smaller than a motorway, but larger than a B-road A-road
9 [uncountable] a common type of blood

Dictionary results for "A"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.