Suspending impressions for a specific keyword
You can temporarily suspend serving a group of ads for a specific keyword. The accumulated statistics for this keyword will be saved.
To suspend impressions for a specific keyword, open the campaign page and go to the keyword editing section.
You can suspend any active keywords. After suspension, the keyword will be highlighted in pale blue.
Statistics (accumulated CTR) for suspended keywords will be stored for 28 calendar days starting from the moment they are stopped; after that the statistics will be reset to zero. However, the keyword can still be restarted after this time has elapsed.