Idiom Index: Words and Themes Beginning with ‘X’

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There are so few words used in idioms that begin with the letter X that there is no point in listing them separately. Instead, here are the idioms on the site which begin with the letter X:

X Marks the Spot: as an idiomatic expression x marks the spot sometimes used even when there is not drawing or map with an ‘X’ on it, usually to point out the location of something. Slightly humorous.

X-Factor: an unidentifiable or ineffable quality that makes someone very special; a variable in a situation that will have major and often unpredictable consequences or influence.

X-Rated: sexually explicit, pornographic, indecent, vulgar, obscene, etc.

X-Ray Vision: having X-ray vision implies the having keen insight into things; being able to see past the surface and perceive things others cannot; to have an ability to accurately predict future outcomes or circumstances due to one’s deep understanding.