massiveadj/ˈmæs.ɪv/

• 1

  Very large in size or extent.

  • Compared to its counterparts from World War II, the Abrams main battle tank is truly massive.
  • The Enlightenment involved massive shifts in many areas of Western thought.
• 2

  Substantial in mass; bulky, heavy and solid.

  • A massive comet or asteroid appears to have ended the era of the dinosaurs.
  • But Richmond[…]appeared to lose himself in his own reflections. Some pickled crab, which he had not touched, had been removed with a damson pie; and his sister saw, peeping around the massive silver epergne that almost obscured him from her view, that he had eaten no more than a spoonful of that either.
• 3

  informalTo a very great extent; total, utter.

  • Notwithstanding Catherine's assurances, I was apprehensive about meeting Denys, worried that I would come off as a massive idiot […]
• 4

  Of particularly exceptional quality or value; awesome.

  • Did you see Colbert last night? He was massive!
  • Ok true believers here is the low down of massive coolness.
• 5

  informalOutstanding, beautiful.

  • Your dress is massive, love. Where did you get it?
• 6

  medicinesciencesAffecting a large portion of the body, or severe.

  • a massive heart attack
• 7

  natural-sciencesphysical-sciencesphysicsHaving any mass.

  • Some bosons are massive while others are massless.
• 8

  geographygeologynatural-sciencesHomogeneous, unstructured.

massivenoun/ˈmæs.ɪv/

• 1

  chemistrygeographygeologyA homogeneous mass of rock, not layered and without an obvious crystal structure.

  • karst massives in western Georgia
• 2

  slangA group of people from a locality, or sharing a collective aim, interest, etc.

  • Big up to the Croydon massive!