doubleplus-

An intensifying prefix, roughly equivalent to extremely.

Prefix

  1. An intensifying prefix, roughly equivalent to extremely.
    • The main prefixes in the controlled language include “un-“, “plus-“, “doubleplus-“, “ante-” and “post-“. […] “Plus-” and “doubleplus-” are both intensifiers that replace words of different extremities, and the words...

Origin

From double + plus-. Coined by George Orwell in 1949 as part of the Newspeak in his novel Nineteen Eighty-Four.