Off guard
Not alert to the unexpected.It caught me off guard when my friend suddenly asked me to lend her some money.
Off duty
Not working.The police officer was off duty when he saw the bank robbery.
Off-color
To be in bad taste, to not be polite, to be not the exact color.The man likes to tell off-color jokes which most people do not like.
The off chance
A slight possibility.I went to the department store on the off chance that I would find a jacket that I liked.
Off-center
To be not exactly in the center or middle of something.The picture was off-center and did not look good on the wall.
Off campus
Not on the grounds of a college or university.The used bookstore was off campus but it was very popular with the university students.
Off base
To be inaccurate or wrong.We were off base with our estimate of next year`s budget.
Off balance
To be not prepared for something, to be unable to meet the unexpected.I was off balance when my boss asked me to deliver the speech instead of... Read more →
Off and running
To be making a good start, to be progressing well.The candidates are off and running in the race to become mayor of the city.
Off and on
Occasionally.The man has studied French off and on but he is not very serious.