ДО НЕВОЗМОЖНОСТИPrepPInvaradv (inten sif) or modif ) to the highest possible degree, above all measure
extremely
to an (in the) extremeexceedinglyunbelievablyincredibly.
Дима был рассеян до невозможности и каждый раз, уходя в школу, забывал запереть входную дверь. Dima was incredibly absent-minded, and every morning when he went off to school he forgot to lock the front door.