off

preposition:from or away from a place, position, or surface
- She lifted the box off the floor.
- I was about to drive off.
adverb:so as to be removed or separated
- She took her coat off.
adjective:not operating or not switched on
- The lights are off to save energy.
adverb:reduced by a specified amount or percentage
- All winter coats are 30% off today.
adjective:no longer fresh or having a spoiled taste or smell
- The milk tastes off, so we threw it out.
adjective:incorrect or not exactly right
- Your calculation is off by two points.
adverb:free from duty or work
- I am off on Friday.
particle:used as a particle in phrasal verbs to indicate separation, departure, or completion
- The plane took off on schedule.
adjective:canceled or postponed
- Because of the storm, the match is off.
preposition:indicating prohibition from touching or involvement
- Keep your hands off the controls.