for good measure

1. 1.

   in addition (as to close a deal)

   “the car salesman threw in the radio, for good measure”

Questions about for good measure

What does for good measure mean?

for good measure means "in addition (as to close a deal)".

Is for good measure a common word?

for good measure is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.