monstrous

adjective6

1. •
   Hideous or frightful.

   • So bad a death argues a monstrous life. — 1596
2. •
   Freakish or grotesque.

   • The irregular and monstrous births — 1689
3. •
   Enormously large.

   • The chiding billovv seemes to pelt the cloudes, / The vvinde shak'd surge, vvith high and monstrous mayne, / Seemes to cast vvater, on the burning Beare, […] — 1603
4. •
   Of, or relating to a mythical monster; full of monsters.

   • Where thou, perhaps, under the whelming tide / Visitest the bottom of the monstrous world. — 1637
5. •
   (offensive) Disabled; crippled. (A severe slur used to describe persons with disabilities.)
6. •
   (no longer used) Marvellous; exceedingly strange; fantastical.

   • The whole story was monstrous, and only worthy of the superstitious days in which it was written. — 1886