x
nounUK /eks/
US /eks/
The letter that comes after w in the alphabet.
Please write your name with a capital X at the start.
OTHER MEANINGS
2. A mark shaped like two crossed lines, often used to mean no or wrong.
She put an X next to the wrong answers.
3. A number in math that is not known yet.
Find x if x plus two equals five.
4. A kiss written at the end of a message.
He signed the card with love and an X.
5. A place where two lines cross on a map or picture.
Mark the X to show where the treasure is hidden.