y

adverb1

1. •
   (Internet, slang) Abbreviation of why.

noun2

1. •
   Abbreviation of year.

   • Consider the following questions selected from the tests and estimate the proportion of Y8 pupils you would expect to answer correctly. — 2003
2. •
   (UK) Abbreviation of youth, usually followed by an age appropriate for the content so marked.

particle1

1. •
   Abbreviation of yes.

noun6

1. •
   A figure or mark in the shape of the letter Y.
2. •
   (US, informal) A particular facility run by the YMCA/YWCA.

   • When a 50ish woman at my Y learned that I was about to turn 80, she exclaimed, “80 is the new 60, and you set a great example for the rest of us!” — 2021
3. •
   A Y-shaped object, such as a railroad fork or a support for a telescope; a wye, a bifurcation.
4. •
   Abbreviation of year (In some contexts as YY or YYYY to indicate only the last 2-digits or all 4-digits.)
5. •
   A moth of the genus Plusia, having markings resembling the letter Y.
6. •
   A commune of Somme department, Hauts-de-France region, France.

exclamation1

1. •
   Abbreviation of yes.