Meaning of OFF in English

OFF

adj.

Function: preposition

Date: before 12th century

1 a ― used as a function word to indicate physical separation or distance from a position of rest, attachment, or union <take it off the table> <a path off the main walk> <a shop just off the main street> b : to seaward of <two miles off shore>

2 : from the possession or charge of <had his wallet stolen off him>

3 ― used as a function word to indicate the object of an action <borrowed a dollar off him> <dined off oysters>

4 a ― used as a function word to indicate the suspension of an occupation or activity < off duty> < off liquor> b : below the usual standard or level of < off his game>

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.