Einsteiny

Adjective

Einsteiny (comparative more Einsteiny, superlative most Einsteiny)

1. (informal) Characteristic of or resembling Albert Einstein, or his theory of relativity; Einsteinian.
   • 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.2023, Steve G. Romaniuk, 124C41, Tales from the Alternate Universe, volume 1, [S.l.]: MobileTimesToday

   Antonyms:

   non-Einsteinian, un-Einsteinian

   1. (informal) Highly intelligent; brilliant.
      • […] Momik strains every muscle to look as if he's asleep, […] we have the most hilarious dreams around here, and sometimes 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...1989, David Grossman, “Momik”, in Betsy Rosenberg, transl., See Under: Love […], New York, N.Y.: Farrar Straus Giroux, →ISBN, page 51
      • Sometimes grandparents want to look after the grandchildren but have forgotten how, or are unable to see important safety or nutritional points such as that a baby needs to be in a proper car restraint or a bag of lollies just before going home to bed is not exactly an Einsteiny manoeuvre.1997, Kaz Cooke, “Child Care, Kindergarten and Preschool”, in Kidwrangling: The Real Guide to Caring for Babies, Toddlers and Preschoolers, Viking, published 2003, →ISBN, part 4 (Parenting), pages...
   2. (informal) Of hair, sticking out wildly.
      • The windows [of the bus] were all open in the back, and the wind blew everyone's hair into wild Einsteiny puffs.2010, Jodi Lynn Anderson, Loser/Queen, New York, N.Y.: Simon & Schuster Books for Young Readers, →ISBN, page 98
      • 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.2014 November, Christy Kidd, Mark Kidd, with Timothy Flapp, A Modern Marriage: A Memoir, New York, N.Y.: Gallery Books, →ISBN, page 172