Definition of throw off
1 a
: to free oneself from : get rid of
- threw off his inhibitions
b
: to cast off often in a hurried or vigorous manner : abandon
- threw off all restraint
3
: to produce in an offhand manner : execute with speed or facility
- some little … tune that the composer had thrown off
- —James Hilton
4 a
: to cause to depart from an expected or desired course
- mistakes threw his calculations off a bit
b
: to cause to make a mistake : mislead
