slice something ↔ off phrasal verb (see also slice)

1. to remove part of something by cutting it with one movement of a sharp knife or edge Synonym : cut off:
His knife had slipped and sliced off the top of his finger.

2. to reduce a cost or total by a particular amount quickly and easily
slice something off something
By using volunteers, we were able to slice £10,000 off the cost of the project.

[TahlilGaran] Dictionary of Contemporary English ▲