Einsteiny

English

Etymology

From Einstein +‎ -y, from Albert Einstein.

Adjective

Einsteiny (comparative more Einsteiny, superlative most Einsteiny) (informal)

Resembling or characteristic of Albert Einstein, or his theory of relativity.
- 2023, Steve G Romaniuk, Tales from the Alternate Universe: Vol. 1:
  The incorporated technology is based on absolutely serious alt-fact science—that old familiar Einsteiny, time dilation thingy only in reverse— which also forms the basis of much of LaLa Valley's tech AI prowess.
1. Brilliant.
  - 1998, Ray Keenoy, Saskia Brown, The Babel Guide to Jewish Fiction, page 68:
    he has a really Einsteiny idea , like when he pretends to be talking in his sleep and says , Kick it to me, Joe, we're going to win this game, Danny, and things like that to make them happy
  - 2002, David Grossman, See Under: LOVE:
    […] once in the middle of the night he had an Einsteiny idea,
  - 2004, Maria Leonida Fres- Felix, Making Straight Circles, page 27:
    Terence is this gangly, Einsteiny seventeener who has really low EQ, as in emotional quotient.
  - 2009, Lord De Provence, How To Win The Eurovision Song Contest:
    Nothing Einsteiny here, just me.
  - 2009, Kaz Cooke, The Rough Guide to Babies & Toddlers, page 368:
    […] a bag of lollies just before going home to bed is not exactly an Einsteiny manoeuvre.
2. (of hair) Sticking out wildly.
  - 2010, Jodi Lynn Anderson, Loser/Queen, page 98:
    The windows were all open in the back, and the wind blew everyone's hair into wild Einsteiny puffs.
  - 2014, Christy Kidd, Mark Kidd, A Modern Marriage, page 172:
    He had a kind of Einsteiny thing going on—a spray of hair radiating out in all directions as if he'd stuck his finger in an electric socket.
  - 2019, Anne Kennedy, The Ice Shelf:
    On this evening (it was seven-ish, late summer), his permanent five o'clock shadow looked polished-on in the sunlit living room, and I noticed his hair was freshly washed, fluffy and Einsteiny.
  - 2020, William Hussey, Hideous Beauty:
    Your hand is never down in history and your hair's always a bit Einsteiny.
  - 2020, Jennifer Honeybourn, The Do-Over:
    His hair is shorter, less Einsteiny, and he's freshly shaved.