everything

Etymology

From every + thing.

pron

1. (literally) All the things under discussion.
   I told him about everything I could think of; and what I couldn't think of he did. He asked about six questions during my yarn, but every question had a point to it. At the end he bowed and thanked me once more. As a thanker he was main-truck high; I never see anybody so polite. 1913, Joseph C. Lincoln, chapter 4, in Mr. Pratt's Patients
   I checked the list again and everything is done.
   Thank you for everything you've done for us.
2. (colloquial, hyperbolic) Many or most things.
   Then, I was sent to a great, cold, bare, school of big boys; where everything to eat and wear was thick and clumpy, without being enough […] 1859, Charles Dickens, The Haunted House
   A:What do you want to do at the amusement park? B:Everything!
   I did everything today - washed the dishes, cut the lawn, did the laundry.
3. (colloquial) A state of well-being (from all parts of the whole).
   She wasn't feeling well this morning but now everything is fine.
   Since the company lost its best customer everything has gotten worse.
4. (colloquial) Considerable effort.
   It took everything in me to resist the temptation to skip work on my birthday.
5. (colloquial) The most important thing.
   I can't believe I made it in time - timing is everything!

noun

1. everything