x
[noun]
Synonyms: error, mistake

[TahlilGaran] English Synonym Dictionary ▲

4x4 noun [countable]
a four-wheel drive vehicle

[TahlilGaran] Dictionary of Contemporary English ▲

I. X¹ , x /eks/ (plural X’s, x’s) noun

1. LETTER [uncountable and countable] the 24th letter of the English alphabet

2. NUMBER [countable] the number 10 in the system of roman numerals

3. MATHEMATICS [uncountable] technical a letter used in mathematics to represent an unknown quantity or value:
if 3x = 6, x = 2

4. ON SCHOOL WORK [countable] a mark used on school work to show that a written answer is not correct

5. WHEN VOTING [countable] a mark used to show that you have chosen something on an official piece of paper, for example when voting

6. ON A LETTER [countable] a mark used to show a kiss, especially at the end of a letter:
Love, Cindy XXX

7. FILM [singular, uncountable] used in the past to describe a film that was officially approved as only suitable for people over 18 Synonym : 18 ⇒ X-rated

8. UNKNOWN/SECRET NAME [uncountable] a letter used instead of someone’s or something’s real name because you want to keep it secret or you do not know it:
At the trial, Ms X said that she had known the defendant for three years.

9. WHEN SIGNING YOUR NAME [countable] a mark used instead of a signature by someone who cannot write

10. X number of people/things used to say that there are a number of people or things when the exact number is not important

11. X marks the spot used on maps in adventure stories to show that something is buried in a particular place

[TahlilGaran] Dictionary of Contemporary English ▲

II. X² verb
X something ↔ out phrasal verb
American English to mark or remove a mistake in a piece of writing using an X Synonym : cross out

[TahlilGaran] Dictionary of Contemporary English ▲

X
[not an acronym] Roman numeral representing 10 
Ecstasy 
Experimental (US Military aircraft designation, as in X-1) 
Extra 
Generation X 
Kiss 
MPAA Movie Rating for Adults Only 
Multiplied by 
TCP/IP-based network-oriented window system 
Telephone Extension 
Unknown Quantity (variable)

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲

X.400
CCITT Message Handling Protocol

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲